Pitsco Education TETRIX MAX 4:1 Aluminum Worm Gear Drivebox, Robotics Building Elements, Spare Parts for Robotics and Vehicles, Package Includes Spur Gear, Worm Gear, Channel, Axles, Bushings
Utilizing a 4:1 gear ratio for slow and smooth rotational motion, this gear box minimizes backlash and greatly reduces the chance of a back-driving gear motor, so its position can be held even when power is not applied. All-metal construction for durability and power.