View cart “3.5″ O.D. x 1/2″ Pulley” has been added to your cart. Revolving Arm for M661$124.00 Replacement revolving arm for MyTana M661 cable machine only. Part no. REVARM M661 Revolving Arm for M661 quantity Add to cart Description Description Revolving Arm for M661 cable machine. Related products Front Casting and Bushings $17.85 – $165.00 Select options 8″ O.D. x 1″ V-Belt Pulley $59.00 Add to cart Gearbox Gasket $9.00 Add to cart Small Hoop & Elephant Trunk $460.00 Add to cart 3.5″ O.D. x 1/2″ Pulley $37.00 Add to cart