Stop Collar$27.00 Stop Collar 1″ ID X 1-5/8″ OD for Mytana – M844, M755, & M661. Stop Collar quantity Add to cart Description Description Stop Collar 1″ ID X 1-5/8″ OD for Mytana – M844, M755, & M661. Part no. 2X571 Related products Revolving Arm for M81, M844, M98 $198.00 Add to cart Foot Pedal and Hose $23.00 – $100.00 Select options Autofeed Movement Assembly $105.00 – $152.00 Select options 2″ O.D. x 5/8″ Pulley $30.00 Add to cart M81 Complete Gearbox $954.00 Add to cart