Coavoo EG15 CNC Linear Rail 1PCS EGH15 15.75 inch / 400mm Length 15mm Width Square Linear Slide Guideway Rail + 2PCS EGH15 CA Carriage Bearing Slider Sliding Block Kit for DIY CNC Routers

["The cnc linear rail kit set includes: 1Pcs EGH15 EGR15 15mm square linear rail 15.75\" / 400mm long guide guideway + 2Pcs EGH15 CA Carriage Bearing Slider Sliding Blocks ( Low Assembly, Square Style).","The block is made from high quality steel, excellent corrosion resistance; EGH CA blocks, small size, especially suitable for miniaturized equipment. Default color black and white, also available in black and red, black and green, if need, please Message us","The bearing block adopting the Gothic four-point contact design, can withstand loads in all directions and with self-aligning function; Manufactured by industrial standard, with good interchangeability","The linear rail is made of high quality steel, with strong bending resistance, difficultly deformed and twisted, with the ball bearing slider blocks, ensuring linear motion movement precise, silent, sturdy and smooth","Coavoo, a factory seller experiencing in the transmission field, with the ability to provide technical support, including technical questions, CAD and 3D files and so on; with full styles of products and customization service, if need, pls contact us"]