{"product_id":"koken-4725zb-1-2-sq-dr-ratchet-handle-72-teeth-length-253mm-quick-release-z-series","title":"Koken 4725ZB 1\/2 Sq. Dr. Ratchet Handle 72 teeth Length 253mm Quick Release Z-series","description":"\u003cp\u003e\u003cimg height=\"115\" width=\"120\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0593\/5480\/8475\/files\/4725ZB_1.png?v=1733922081\"\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"153\" data-end=\"220\" class=\"\"\u003e\u003cstrong data-start=\"157\" data-end=\"220\"\u003eKo-ken 72 Tooth Ratchets – Precision, Strength, and Control\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"222\" data-end=\"493\" class=\"\"\u003eKo-ken ratchets are renowned for their precision engineering, delivering exceptionally low backlash, compact head sizes, and high torque performance. The newly designed\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"391\" data-end=\"411\"\u003e72 tooth ratchet\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econtinues this legacy, combining our hallmark features with refined advancements.\u003c\/p\u003e\n\u003cp data-start=\"495\" data-end=\"835\" class=\"\"\u003eFeaturing a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"507\" data-end=\"539\"\u003epatented dual pawl mechanism\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith a single spring, this ratchet provides a smooth 5° arc swing, allowing for superior control in tight spaces. The innovative design increases surface area contact within the gear, resulting in a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"739\" data-end=\"766\"\u003e10% higher torque limit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewhile preserving Ko-ken’s signature low-torque backlash performance.\u003c\/p\u003e\n\u003cp data-start=\"837\" data-end=\"1056\" class=\"\"\u003eAfter four years of intensive development and testing, we’ve optimized the spring pressure to maintain a consistent, precise feel with minimal resistance—perfect for professional users demanding accuracy and durability.\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Drive Size:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrive Shape:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSquare\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e253 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHead Type:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFixed Quick-Release\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGear Teeth:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e72 Teeth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eRepair Kit:\u003cspan\u003e 4725BRK-1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eProduct Dimension (Refer Line Drawing Image):\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eT Size:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eD Size:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e36.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eH Size:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eL Size:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e253mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0593\/5480\/8475\/files\/4725ZB_SS-Diagram-Image.jpg?v=1720763999\" width=\"\" height=\"\"\u003e\u003c\/p\u003e","brand":"Koken","offers":[{"title":"Default Title","offer_id":53924322672853,"sku":"4725ZB","price":167.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/4731\/7973\/files\/Koken-4725ZB-1-2-Sq-Dr-Ratchet-Handle-72-teeth-57.jpg?v=1779747074","url":"https:\/\/kaizensource.com\/products\/koken-4725zb-1-2-sq-dr-ratchet-handle-72-teeth-length-253mm-quick-release-z-series","provider":"Kaizen Source","version":"1.0","type":"link"}