BQLZR Metal Linear Ball Bearing Slide Set with Optical Axis Rail Support Pack of 4

Feature: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information; 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed. 3. This product includes 4 linear ball bearings, 4 linear shaft optical axis and 8 linear rail support.It can meet your different needs. 4. Wide application: mainly used in stepper motors, machine tool guide rails and 3D printers and other equipment. 5. High-quality materials: high-quality metal materials are selected, which are strong and wear-resistant,and are easy to install. Specifications: Material:Metal Color:Silver Brand name: BQLZR Size: Linear Shaft Optical Axis:8x300mm/0.3x11.8Inch(DiaxL) Linear Rail Support: 8mm/0.3Inch (aperture) Linear Ball Bearing: 8mm/0.3Inch (inner diameter) Weight:898g Packge include: 4 x Linear Ball Bearing 4 x Linear Shaft Optical Axis 8 x Linear Rail Support