The Gilson Rotary Sifter Cam is a genuine replacement part, expertly crafted for use with the SS-20 8in Gilson Rotary Sifter and the SS-21/SS-22 12in Gilson Rotary Sifters. This essential component is responsible for the tapping action that helps clear particles from the sieve mesh, ensuring efficient and accurate separation. Made from durable materials, this cam is designed to meet original equipment specifications for a perfect fit and long service life.