{"product_id":"300mm-linear-rail-guide-with-mgn12h-sliding-block","title":"300mm Linear Rail Guide With MGN12H Sliding Block For 3D Printers And CNC Machines, H Type, Easy Mount, Smooth Low-Backlash Motion, Dope Precision For DIY Projects And Pro-Grade Tooling","description":"\u003cdiv\u003ePremium 300mm MGN12H Linear Rail Kit for DIY CNC\u003cbr\u003e\n✔️ 300mm linear rail with MGN12H block, easy mount, low backlash \u003cp\u003eThis compact linear rail guide pairs a 300mm rail with an MGN12H sliding block to deliver smooth, precise motion in small spaces. It’s a great fit for DIY CNC machines and compact 3D printers, designed for easy mounting and long-lasting performance.\u003c\/p\u003e \u003cp\u003e✅ 300 mm rail length with MGN12H sliding block included\u003cbr\u003e\n✅ Two rubber stoppers on each side prevent the sliding block from dropping out\u003cbr\u003e\n✅ Compatible with 20 series EU aluminum profiles using M3 T nuts and screws\u003cbr\u003e\n✅ Low-backlash, smooth motion for accurate travel\u003cbr\u003e\n✅ Ready for DIY projects, 3D printers, and pro tooling\u003c\/p\u003e \u003cp\u003e💡 What is a linear rail guide used for? A handy system that guides precise straight-line motion in machines like 3D printers and CNC routers. - precise straight-line motion for repeatable results\n- low backlash to keep tolerances tight\n- easy mounting to aluminum extrusion profiles with M3 hardware\n- ideal upgrade for DIY and pro tooling projects\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52804048552255,"sku":"VXB08BF7G7VH","price":76.13,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/41D4XlgXgyL.jpg?v=1776455054","url":"https:\/\/bearingscanada.com\/products\/300mm-linear-rail-guide-with-mgn12h-sliding-block","provider":"Bearings Canada","version":"1.0","type":"link"}