Sealey Alloy Wheel Impact Socket set three pieces 1/2 inch square drive. Chrome Molybdenum sockets, hardened, tempered and anodised for corrosion resistance. Suitable for use with impact tools. Each six-point socket is sleeved and has an insert to prevent damage to alloy wheels and nuts. Colour coded socket assists ease of size selection. Comprises standard or deep 17, 19 and 21 mm sockets. Supplied in storage case.