Welcome to the store! 1. Optical Shafts: Linear shafts and optical shafts with rod guides are commonly used for digital coordinate measuring equipment and specialized machinery. Optical shafts are suitable for various electronic equipment guides, drive shafts, and supports. 2. Shaft Block: The shaft block has a certain load capacity and can be mounted on a standard precision stand, offering high adaptability and perfect for long-term use. 3. High-Quality Aluminum: Made from premium aluminum, these components offer excellent wear resistance, are not prone to rust, and possess good strength. 4. Screw Guide: The screw guide is frequently used in 3D printing and other machine tools, allowing for increased efficiency through proper operation based on your specific needs. 5. Practical Parts: This kit includes optical shafts and screws, housing bearings, linear guide brackets, CNC stepper couplings, and ball bearings, ready for replacement whenever you need them. Item Type: T8 Lead Screw Kit Optical Shafts Length: Approx. 300mm / 11.8in Material: Steel Screw Length: Approx. 300mm / 11.8in Material: Aluminum Flexible Coupling Size: Approx. 20 x 25mm / 0.8 x 1.0in Material: Aluminum Alloy Axis Shaft Support Size: Approx. 40 x 33 x 14mm / 1.6 x 1.3 x 0.6in Material: Aluminum Slider Size: Approx. 33 x 30 x 21mm / 1.3 x 1.2 x 0.8in Material: Aluminum Package includes: 2 x Optical Shafts 1 x Lead Screw 1 x T8 Screw Nut 4 x Vertical Slider 2 x Flexible Coupling 4 x SCS8UU Slider 2 x Zinc Alloy Housing Bearing KP08 Your satisfaction is our top priority. We are committed to providing you with the best service. If you encounter any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately for the best solution!