The sander actually becomes flat when pressed against a flat surface and round when pressed against a round surface i.e. the sanders conform to the underlying surface. Consequently the sanders should be filled with very little air.
The #130 Drum has a 1 1/8" Diameter and is 3 1/8" long with a 5/16" Dia. Shaft.
CA $19.69–CA $81.88Price range: CA $19.69 through CA $81.88
CA $19.69–CA $81.88Price range: CA $19.69 through CA $81.88