Designed to service all S-cam air brake slack adjusters on the market. Puller No.210A fit all manual types, and the No.210B works on Rockwell, Haldex, Gunite, and Bendix automatic adjusters. These tools eliminate costly S-cam demage caused by " heat and beat " method. Replacement is accomplished in a fraction of the usual time, These pullers have a rugged forcing screw and cast steel body.