Chaff cutters are typically powered by a motor, which drives a rotating blade or blades. The blades are made of hardened steel, and they are designed to cut through the straw or hay quickly and efficiently. The size of the cut pieces is determined by the size of the blades and the speed of rotation.

Chaff cutters are available in a variety of sizes, from small, hand-held models to large, industrial machines. The size of the machine you need will depend on the amount of chaff you need to cut.

Chaff cutters are a valuable tool for any farmer or rancher who feeds hay or straw to their animals. They can save time and labor, and they help to ensure that the animals are getting the most out of their food.