The 641-007 1 inch heavy retaining ring is a carbon steel clip used to secure the drive pulleys of the 4 and 6 inch wet sander drive pulleys on the shaft.
832-023 2FSM 2 x 48 inch belt sander tube and support ring. The frame will fit all 2FSM, 2FSMV and DS10-2M models regardless of the units age.
This frame will fit all 2FSM 2 x 48 inch sanders regardless of age of the unit.