The set includes 5 sizes of abrasive drums:
• D = 13 mm, S = 3,11 mm
• D = 19 mm, S = 6,25 mm
• D = 25 mm, S = 6,25 mm
• D = 38 mm, S = 6,25 mm
• D = 50 mm, S = 6,25 mm
20 sanding sleeves supplied (4 of each size). Ideal for power drills. Comes in a carry case.