Ideal accessory for 3D printers: Compatible with GT2 10mm wide timing belts, can be screwed in place Easy Installation: The pulley is designed for easy installation and can be used by professionals or DIY enthusiasts. Compatibility: The pulley is designed for use with 10mm width 2GT timing belts and has a teeth number of 20. It is specifically designed for a bore size of 5mm, making it suitable for various applications It is designed to handle heavy loads and provide smooth and accurate timing for your projects. Material: aluminium alloy Type: GT2 Model: 20 teeth Bore: 5mm Width: 10mm Color: Sliver High-quality material: This idler pulley is made of sturdy and durable aluminum, ensuring long-lasting performance and reliability. Ihf Keyless Arc Synchronous Pulley 2gt 20 Teeth Aluminum Alloy Timing Belt Pulley - Pulley and 20Teeth GT2 Timing Belt Pulley, 10mm Width, 8mm Bore | Ampere Electronics It is a convenient and efficient component that will enhance the performance of your machinery. Reliable performance: With its high-quality construction and precise dimensions, this idler pulley offers reliable and efficient performance. It is a convenient and efficient component to improve the performance of your machine 20 Teeth Pulley RobotDigg GT2 Timing Pulley 50 Teeth 8mm Bore For 6mm Wide 2GT Timing Belt Aluminum Alloy GT2 Aluminum Alloy Synchronous Pulley Customer Service:If you encounter any product problems, please feel free to contact us, we will provide you with quality after-sales service