ITEM NAME:15Pcs 200Mm Optical Axis Guide Bearing Housings Aluminum Rail Shaft Lead Sc D1V3 15Pcs 200Mm Optical Axis Guide Bearing Housings Aluminum Rail Shaft Lead Sc D1V3 Model Number:CNC Parts Set Type: Sliding Rail Glide Path: Linear Guide Accuracy Class: H Slide Fixed Way: Lock Type, Lock Type Non-toxic and tasteless, environmental protection, small size, transmission power of large, stable performance. Mainly used for industrial automation equipment, stepper motor rails. Such as 3D printers, engraving machine, XYZ module, slide, lifts, etc., widely used. colour:Silver Material:Aluminum alloy Package Contents: 2 * 8x200mm Steel Optical Axis 2 * KP08 55x13x29mm Zinc Alloy Pillow Block Bearing 4 * SK8 42x32x14mm Aluminum Rail Shaft Support 1 * 200x8mm Stainless Steel Lead Screw Rod with Nut 4 * SC8UU 8x34mm Slide Bushing 2 * 5x8mm D19L25 Flexible Shaft Coupling.2 8x200mm Steel Optical Axis. Glide Path: Linear Guide. 4 SK8 42x32x14mm Aluminum Rail Shaft Support. Type: Sliding Rail. Such as 3D printers, engraving machine. Slide Fixed Way: Lock Type, Lock Type.