<h3>Key features</h3><ul> <li>Linear Rail Set Kit: This linear rail set includes 2pcs 16 mm 39.37 inch / 1000 mm chrome plated linear shaft rod + 4PCS fixed shaft support SK16 + 4Pcs pillar block bearings SCS16UU</li> <li>Wide Application: Linear motion ball bearing set is widely used for digital 3D coordinate measuring equipment such as, CNC, 3D printer, automatic machinery, injection molding machine, engraving machine, etc</li> <li>High-Quality: Linear motion bearing kit are made of carbon steel, linear Bearings made of GCr15 bearing steel with aluminum alloy housing. Durable and corrosion-resistant</li> <li>Advantage: Perfect combination of main shaft rod rail 1000 mm and aluminum alloy support SK16, which nicely stabilizes the original rail. Industrial-grade standard bearing block SCS16UU with high precision linear bearing inside. Easy to install, no need to maintenance</li> <li>16x1000 mm linear motion optical axis set, diameter 16 mm, made of good quality carbon steel, large load carrying capability, rustproof and long service life</li> </ul><p>16 x 1000 mm Linear Optical Axis Slider Set: This linear slide set is widely used for digital 3D coordinate measuring equipment such as precision equipment or special machinery industry. Suitable for kinds of electronic equipment/guide bar, drive shaft, and pillar. They have features such as, smooth moving, low friction, high rigidity and long lifespan. Specifications: Linear optical axis: Material: Carbon Steel, Chrome Plated. Hardness: HRC62 Length: 1000mm / 39.37 inch Rail Shaft Diameter: 16mm / 0.63 inch Bearing Blocks: 4PCS SC16UU Bearing Support: 4PCS Fixed Support SK16 Color: Silver This item includes: 2pcs 16mm x 1000mm Linear Rail Shaft Rod 4pcs SCS16UU Bearing Block 4pcs SK16 Fixed Support</p><p>Free shipping included. 30-day hassle-free returns.</p>