{"product_id":"mgn12-400mm-linear-guide-rail-kit-with-2-mgn12h-ca","title":"MGN12 400mm Linear Guide Rail Kit With 2 MGN12H Carriage Blocks And 2 Mini Guides For DIY 3D Printers And CNC Machines Rock Solid Bearing Steel Black Finish","description":"\u003cdiv\u003e400mm Linear Rail Kit with 2 Carriages for CNC \u0026amp; 3D Printers\u003cbr\u003e\n✔️ Pack of 2 rails, 2 carriages, 2 mini guides for precise motion \u003cp\u003eThis 400mm linear guide rail kit delivers rock-solid, precise linear motion for DIY CNC machines and 3D printers. Built with bearing steel rails, stainless steel carriages, and a handy plastic mini guide to assist installation, it’s designed to reduce vibration and wear while delivering smooth, controlled movement.\u003c\/p\u003e ✅ Rail length 400 mm with 12x8 mm cross-section in bearing steel rail\u003cbr\u003e\n✅ Carriage blocks in stainless steel for accurate, repeatable motion\u003cbr\u003e\n✅ Mini guide plastic aids installation and keeps balls from dropping\u003cbr\u003e\n✅ Dual end limit blocks provide collision protection and longer life\u003cbr\u003e\n✅ Includes 2 rails, 2 carriages, 2 mini guides in a complete kit\u003cbr\u003e \u003cp\u003e💡 What is a linear guide rail used for in precise motion systems? This handy component helps machines move smoothly with high accuracy. \u003c\/p\u003e\n- Improves straightness and repeatability in CNCs and 3D printers\n- Reduces vibration during rapid moves and heavy cuts\n- Supports repeatable positioning for precision tasks\n- Compatible with bearing steel rails and stainless carriages \u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48077105004779,"sku":"VXB0D54LQ8QG","price":88.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51wuUA8vwmL.jpg?v=1775852754","url":"https:\/\/vxb.com\/products\/mgn12-400mm-linear-guide-rail-kit-with-2-mgn12h-ca","provider":"VXB Bearings","version":"1.0","type":"link"}