View cart “M661 Drive Arm” has been added to your cart. 3.5″ O.D. x 1/2″ Pulley$39.00 Single 3.5″ O.D. x 1/2″ pulley for our M81 cable machine. 3.5" O.D. x 1/2" Pulley quantity Add to cart Description Description Single 3.5″ O.D. x 1/2″ pulley for our M81 cable machine. Part no. CA0350X050 Related products Revolving Arm for M888 $198.00 Add to cart Drive Springs $15.00 – $18.00 Select options Autofeed Drive Wheel Bearings $15.00 – $20.00 Select options M888 Complete Gearbox $1,040.00 Add to cart M661 Drive Arm $39.00 Add to cart