100pc Assorted Rotary Tool Sanding Bands 1/2" x 1/2" Work With Dremel Foredom 100pc assorted sanding band set 25 bands of each Grit: 60, 120, 240 and 400 Comes with 2 Rubber Mandrels Mandrel Shank Size: 1/8" Each band measures 1/2" x 1/2"