A simple ratchet like this is a straightforward way to tension strings, such as those in an elevator mechanism, or prevent backdrive of a mechanism that always needs to spin in the same direction. This Ratchet Plate is easy to attach on either a 2 in. or a 1.5 in. bolt circle.

For a ratchet that can be reset or actuated during a match please check out our Ratchet Sport product.