Includes three large-diameter mandrels for quicker, smoother sanding of ring insides. Set of 3 includes:
- 1/4" diameter x 1-3/4" long with 1/8" shank (holds 3/4" wide paper)
- 5/16" diameter x 1-7/8" long with 1/8" shank (holds 1" wide paper)
- 1/2" diameter x 1-7/8" long with 5/32" shank (holds 1" wide paper)