Stop Collar$26.00 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 M888 Complete Gearbox $990.00 Add to cart 1/2 Hp Electric Motor $928.00 Select options Autofeed Drive Pin $13.00 – $19.00 Select options Drive Springs $15.00 – $18.00 Select options Autofeed Cylinder Thrust Race $4.20 – $6.30 Select options