<h3>Key features</h3><ul> <li>Complete Linear Rail Kit: This linear rail includes of 2PCS SBR16-600mm linear guide rail, 4PCS SBR16UU bearing blocks, 4PCS 16mm limit block fixed ring.</li> <li>High-Quality Material: The guide rail is made of high-quality carbon steel, using quenching and tempering technology, long-term wear resistance, super stability, strong bending resistance, ensuring linear motion. Beautiful and anti-rust surface treatment ensures durability and high hardness.</li> <li>High Precision: SBR16UU bearings adopt four-point contact design, which can withstand loads evenly in all directions. Premier quality bearing blocks moves smoothly while using, End stops which avoid the blocks sliding off the end of the rail.</li> <li>Easy to Install: Conveniently install the linear rail by aligning the track with the mouth of the slide rail and pushing the slide rail until the slide rail completely falls. Its no need for maintenance.</li> <li>Wide Applications: Suitable for DIY CNC routers, lathes, machine tools, bending machines, laser welding machines, line cutting machine, precise measurement instrument, woodworking machinery, handling machine, the shipping device, and more.</li> </ul><p>Free shipping included. 30-day hassle-free returns.</p>