Bosch 1600A00156 Sanding Roller Conical Shank for Sanding Sleeve Plus Sanding Sheet ASK30 Set for Bosch PRR 250 Removing Roller. Shank for sanding sleeve and sanding sleeve with coarse grit for high removal rate. Ideal for door frames and garden furniture, small to medium-sized surfaces. Suitable for wood, paint on wood, and filler. Designed for use with the Bosch PRR 250 Removing Roller. Weight: 0.03747858454 Pounds.