{"product_id":"greenlee-7306sb-1-2-to-2-slug-buster-punch-kit-hydraulic-knockout-set-reconditioned","title":"Greenlee 7306SB Ram and Hand Pump Knockout Kit - Reconditioned - 7306SB","description":"\u003ch2\u003eGreenlee 7306SB Ram and Hand Pump Knockout Kit - Reconditioned - 7306SB\u003c\/h2\u003e\n\u003cp\u003eGreenlee 7306SB Knockout set 1\/2\"-2\" with Ram\u003c\/p\u003e\n\u003cp\u003eHand Pump Hydraulic Driver Kit\u003c\/p\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:7c5b2839-63fb-409c-9725-9bb9c3445ce5-52\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:7c5b2839-63fb-409c-9725-9bb9c3445ce5-52\" data-turn-id-container=\"request-WEB:7c5b2839-63fb-409c-9725-9bb9c3445ce5-52\" data-testid=\"conversation-turn-106\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"aef80daf-b854-4246-99a0-d36cb94b3145\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cul data-start=\"27\" data-end=\"1207\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1xx1yzo\" data-start=\"27\" data-end=\"189\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"67\"\u003eComplete hydraulic knockout system\u003c\/strong\u003e Combines a powerful ram with a hand pump for fast, clean punching of electrical knockouts in steel and aluminum panels.\u003c\/li\u003e\n\u003cli data-section-id=\"1kp7pon\" data-start=\"190\" data-end=\"348\"\u003e\n\u003cstrong data-start=\"192\" data-end=\"229\"\u003eReliable manual hydraulic control\u003c\/strong\u003e Hand pump operation delivers controlled force, giving electricians precision without needing external power sources.\u003c\/li\u003e\n\u003cli data-section-id=\"1u6x9v6\" data-start=\"349\" data-end=\"481\"\u003e\n\u003cstrong data-start=\"351\" data-end=\"377\"\u003eFast field-ready setup\u003c\/strong\u003e Portable design allows quick deployment on job sites, ideal for service work and panel modifications.\u003c\/li\u003e\n\u003cli data-section-id=\"1pc3v4g\" data-start=\"482\" data-end=\"612\"\u003e\n\u003cstrong data-start=\"484\" data-end=\"520\"\u003eClean, accurate knockout results\u003c\/strong\u003e Engineered to produce smooth, burr-free holes that improve conduit fit and reduce rework.\u003c\/li\u003e\n\u003cli data-section-id=\"qisu4u\" data-start=\"613\" data-end=\"760\"\u003e\n\u003cstrong data-start=\"615\" data-end=\"653\"\u003eHeavy-duty industrial construction\u003c\/strong\u003e Built to withstand repeated high-pressure punching in demanding electrical and fabrication environments.\u003c\/li\u003e\n\u003cli data-section-id=\"jv22it\" data-start=\"761\" data-end=\"892\"\u003e\n\u003cstrong data-start=\"763\" data-end=\"797\"\u003eVersatile jobsite applications\u003c\/strong\u003e Commonly used for conduit entry holes in panels, switchgear, junction boxes, and enclosures.\u003c\/li\u003e\n\u003cli data-section-id=\"k02ewy\" data-start=\"893\" data-end=\"1038\"\u003e\n\u003cstrong data-start=\"895\" data-end=\"927\"\u003eImproved safety vs. drilling\u003c\/strong\u003e Hydraulic punching reduces heat, metal shavings, and tool kickback compared to traditional drilling methods.\u003c\/li\u003e\n\u003cli data-section-id=\"3qe0z6\" data-start=\"1039\" data-end=\"1207\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"1041\" data-end=\"1074\"\u003eReconditioned value advantage\u003c\/strong\u003e Professionally refurbished kit delivers dependable Greenlee performance at a lower cost for contractors expanding tool capabilities\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv aria-hidden=\"true\" class=\"pointer-events-none -mt-px h-px translate-y-[calc(var(--scroll-root-safe-area-inset-bottom)-14*var(--spacing))]\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch5\u003e                   \u003cbr\u003eQ\u0026amp;A    \u003c\/h5\u003e\n\u003cp data-start=\"0\" data-end=\"235\"\u003e\u003cstrong data-start=\"0\" data-end=\"75\"\u003eQ: What is the Greenlee 7306SB Ram and Hand Pump Knockout Kit used for?\u003c\/strong\u003e\u003cbr data-start=\"75\" data-end=\"78\"\u003eA: It is a complete \u003cstrong data-start=\"98\" data-end=\"134\"\u003emanual hydraulic knockout system\u003c\/strong\u003e used to punch clean holes in electrical panels, enclosures, and junction boxes for conduit fittings.\u003c\/p\u003e\n\u003cp data-start=\"237\" data-end=\"421\"\u003e\u003cstrong data-start=\"237\" data-end=\"270\"\u003eQ: What does the kit include?\u003c\/strong\u003e\u003cbr data-start=\"270\" data-end=\"273\"\u003eA: It typically includes a \u003cstrong data-start=\"300\" data-end=\"373\"\u003ehydraulic ram, hand pump, hose, and knockout punch\/die set components\u003c\/strong\u003e, providing a ready-to-use hole-punching system.\u003c\/p\u003e\n\u003cp data-start=\"423\" data-end=\"587\"\u003e\u003cstrong data-start=\"423\" data-end=\"447\"\u003eQ: How does it work?\u003c\/strong\u003e\u003cbr data-start=\"447\" data-end=\"450\"\u003eA: The \u003cstrong data-start=\"457\" data-end=\"499\"\u003ehand pump generates hydraulic pressure\u003c\/strong\u003e, which drives the ram to push a punch through metal, creating precise conduit openings.\u003c\/p\u003e\n\u003cp data-start=\"589\" data-end=\"765\"\u003e\u003cstrong data-start=\"589\" data-end=\"632\"\u003eQ: What materials can it punch through?\u003c\/strong\u003e\u003cbr data-start=\"632\" data-end=\"635\"\u003eA: It can punch through \u003cstrong data-start=\"659\" data-end=\"727\"\u003emild steel, stainless steel, aluminum, and fiberglass enclosures\u003c\/strong\u003e, depending on the punch and die used.\u003c\/p\u003e\n\u003cp data-start=\"767\" data-end=\"947\"\u003e\u003cstrong data-start=\"767\" data-end=\"800\"\u003eQ: What are the key benefits?\u003c\/strong\u003e\u003cbr data-start=\"800\" data-end=\"803\"\u003eA: It delivers \u003cstrong data-start=\"818\" data-end=\"892\"\u003eclean, burr-free holes, faster installation, and reduced drilling time\u003c\/strong\u003e, improving efficiency and accuracy in electrical work.\u003c\/p\u003e\n\u003cp data-start=\"949\" data-end=\"1099\"\u003e\u003cstrong data-start=\"949\" data-end=\"971\"\u003eQ: Is it portable?\u003c\/strong\u003e\u003cbr data-start=\"971\" data-end=\"974\"\u003eA: Yes, the \u003cstrong data-start=\"986\" data-end=\"1030\"\u003ehand pump design makes it fully portable\u003c\/strong\u003e, ideal for fieldwork and jobsite use without needing electric power.\u003c\/p\u003e\n\u003cp data-start=\"1101\" data-end=\"1275\"\u003e\u003cstrong data-start=\"1101\" data-end=\"1137\"\u003eQ: What is it commonly used for?\u003c\/strong\u003e\u003cbr data-start=\"1137\" data-end=\"1140\"\u003eA: It is used by \u003cstrong data-start=\"1157\" data-end=\"1212\"\u003eelectricians, panel builders, and maintenance crews\u003c\/strong\u003e for conduit installation and electrical enclosure fabrication.\u003c\/p\u003e\n\u003ch5\u003e               \u003cbr\u003eMaintenance Tips   \u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"4rkaou\" data-start=\"85\" data-end=\"179\"\u003eInspect ram, pump, and hoses before each use for leaks, cracks, or hydraulic fluid seepage\u003c\/li\u003e\n\u003cli data-section-id=\"9n8c5f\" data-start=\"180\" data-end=\"253\"\u003eCheck quick-connect fittings and couplers for secure locking and wear\u003c\/li\u003e\n\u003cli data-section-id=\"1wxsc5\" data-start=\"254\" data-end=\"330\"\u003eKeep hydraulic fluid at proper level and use only approved hydraulic oil\u003c\/li\u003e\n\u003cli data-section-id=\"1q13tyk\" data-start=\"331\" data-end=\"404\"\u003eBleed air from system if ram movement becomes slow, uneven, or spongy\u003c\/li\u003e\n\u003cli data-section-id=\"fd6gjc\" data-start=\"405\" data-end=\"494\"\u003eClean ram, pump body, and dies after each use to remove metal chips, dust, and debris\u003c\/li\u003e\n\u003cli data-section-id=\"3xq8ub\" data-start=\"495\" data-end=\"579\"\u003eLightly coat ram piston and die surfaces with rust-inhibiting oil after cleaning\u003c\/li\u003e\n\u003cli data-section-id=\"1n31qhk\" data-start=\"580\" data-end=\"666\"\u003eEnsure dies are correctly matched and fully seated before every knockout operation\u003c\/li\u003e\n\u003cli data-section-id=\"1ure9vx\" data-start=\"667\" data-end=\"766\"\u003eInspect die sets for dull edges, cracks, or deformation and replace if cutting quality declines\u003c\/li\u003e\n\u003cli data-section-id=\"nd03pv\" data-start=\"767\" data-end=\"870\"\u003eTighten all fittings, bolts, and threaded connections regularly to maintain safe pressure operation\u003c\/li\u003e\n\u003cli data-section-id=\"va8j8u\" data-start=\"871\" data-end=\"938\"\u003eDo not exceed rated capacity to avoid hydraulic or frame damage\u003c\/li\u003e\n\u003cli data-section-id=\"1dm9rzm\" data-start=\"939\" data-end=\"1019\"\u003eStore kit in a dry, clean environment to prevent corrosion and contamination\u003c\/li\u003e\n\u003cli data-section-id=\"17au99i\" data-start=\"1020\" data-end=\"1105\"\u003eProtect hoses from kinking, crushing, or sharp bends during storage and transport\u003c\/li\u003e\n\u003cli data-section-id=\"qfszz\" data-start=\"1106\" data-end=\"1194\"\u003eRelease all hydraulic pressure before disconnecting components or servicing the unit\u003c\/li\u003e\n\u003cli data-section-id=\"7vm18p\" data-start=\"1195\" data-end=\"1281\"\u003eCycle pump occasionally during storage to keep seals flexible and prevent sticking\u003c\/li\u003e\n\u003cli data-section-id=\"xbsxu4\" data-start=\"1282\" data-end=\"1388\"\u003eFor reconditioned kits, monitor previously serviced components more frequently for early wear \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Greenlee","offers":[{"title":"Default Title","offer_id":45699882582207,"sku":"Greenlee 7306SB","price":812.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/Greenlee-7306-Hydraulic-Driver-Punch-Set.png?v=1780747611","url":"https:\/\/backyardprovider.com\/products\/greenlee-7306sb-1-2-to-2-slug-buster-punch-kit-hydraulic-knockout-set-reconditioned","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}