20a 2" Pulley Red and Black Original
20a 2" Pulley Red Original
20b Flanged Wheel ¾" Black Original
20b Flanged Wheel ¾" Blue Original
20b Flanged Wheel ¾" Original
20b Flanged Wheel ¾" Red Original
20obs Flanged Wheel and Pulley 1 1/8" Diameter Obsolete Original
21 1½" Pulley Black Original
21 1½" Pulley Blue Original
21 1½" Pulley Brass Original
21 1½" Pulley Brass Seconds
21 1½" Pulley Dark Blue Original