M661 Belt Guard Complete$67.00 Replacement belt cover for our M661 Cable Machine. M661 Belt Guard Complete quantity Add to cart Description Description M661 Belt Guard Complete, is a finished replacement cover for our M661 Little Workhorse. Part no. M661 GUARD COMP Related products 7″ x 5/8″ Pulley $70.00 Add to cart Front Casting and Bushings $15.00 – $142.80 Select options 2″ O.D. x 5/8″ Pulley $26.00 Add to cart 1″ Pillowblock $19.00 Add to cart Cable Machine Belts $14.00 – $17.00 Select options