Five different sized drums, suitable for use with any variable speed drill. Ideal for use in places with difficult access or confined areas. Supplied with 20 abrasive sleeves in a plastic storage case for convenience. Contents: , 1 x Sanding drum 12 x 12mm with 3mm arbor, 1 x Sanding drum 18 x 25mm with 6mm arbor, 1 x Sanding drum 25 x 25mm with 6mm arbor, 1 x Sanding drum 38 x 38mm with 6mm arbor, 1 x Sanding drum 50 x 38mm with 6mm arbor, 5 x 120 grit abrasive sleeve, 15 x 80 grit abrasive sleeves