View cart “Revolving Arm for M888” has been added to your cart. M661 Belt Guard$78.00 Replacement belt cover for our M661 Cable Machine. M661 Belt Guard quantity Add to cart Description Description M661 Belt Guard is a replacement cover for our M661 Little Workhorse. Part no. AY M661-1200 Related products Revolving Arm for M755 $134.00 Add to cart Autofeed Cylinder Thrust Race $4.25 – $6.50 Select options Drive Springs $15.00 – $18.00 Select options 2.5″ O.D. x 1/2″ Pulley $30.00 Add to cart M661 Drive Arm $39.00 Add to cart