Use these sprockets and chain to power animated displays, robotics, model trains and other miniature mechanisms. They’re made of tough, self-lubricating, durable acetal resin and easy to use. All sprockets are designed to press-fit on a 1/8” diameter shaft* and the chain links snap apart for easy adjustment. Includes 1 of each sprocket shown. All sprockets are 5/16" deep. Hubs are 1/4" outside diameter, except for #1, which is .236".

*Knurling or pinning is recommended.

This set includes following toothed sprockets: 8, 9, 10, 12, 15, 16, 18 and 20 tooth and sprockets range from the smallest of approx. 3/8” with the largest 13/16” in diameter.