for polishing and cleaning machines, cars and other work pieces made of metal, plastic, wood, etc. 18 brushes, external square 6.3 mm (1/4"): Ø 9 - 11 - 13 - 15 - 17 - 19 mm (6 brass, 6 nylon, 6 stainless steel) 1 extension with quick release for power tool use, 6.3 mm (1/4"), 150 mm long 1 grip handle with quick release for hand use, 6.3 mm (1/4"), 150 mm long width: 189 mm height: 32 mm depth: 408 mm
