Flapwheels quickly remove paint, varnish & rust, leaving the surface smooth & clean ready for repainting. For use on wood, metal, fibreglass, filler & plastics. Strips & sands in one operation without clogging. Many uses on cars, boats, in the home, in the garage & workshop. 6 mm. (1/4 in.) Shank fits all drills, economical & long lasting. Size 100 x 30 mm. Fine.