Features Reliable 20 Teeth Gear - This gear features 20 teeth with a MOD of 0.8, ensuring compatibility with other MOD 0.8 gears for dependable performance in your projects Premium Brass Construction - Crafted from high-quality brass, this product is designed to resist rust and corrosion, providing long-lasting durability in industrial applications Effortless Installation - Designed for convenience, this screw fixing plate requires no complicated tools for installation, making it easy to use in any robot accessory setup Versatile Speed Control - Create a 5:1 gear ratio for either underdrive or overdrive, allowing you to customize speed or torque based on your specific needs in robotics Strict Quality Standards - Manufactured to meet original production specifications, this threaded plate ensures consistent quality and reliability for all your industrial robot parts Features: 1、20 teeth MOD 0.8 gear, it will match with any MOD 0.8 gear, reliable to use. 2、Made of premium brass material, antirust, anti？corrosion and durable. 3、Easy to install, no complicated tools required, convenient to use. 4、This combo will create a 5:1 ratio, underdrive or overdrive depending on whether you're set out to increase the speed or maximize torsion. 5、Manufactured according to the original production specifications, in line with strict quality standards. Specification: Item Type: Gear Material: Brass Model: 4301-0006-0020 Specification: 6mm/0.2in D-Bore, 0.8 MOD Application: If you’re using a motor with a 6mm D-shaft as an output, or you have built your project using 6mm D-shafts as the axles, these D-bore gears match the shaft profiles in order to create a positive drive between the shaft and the gear. Package List: 1 x Gear Package List 1 x Gear