Ko-ken Tools 1/2 Sq. Dr. 18 Piece Impact 12-Point Socket Set 10-27mmThe Ko ken SKU 14245M 12P is an 18 piece 1 2" Sq. Dr. impact socket set featuring 12 point sockets. It includes sizes 10mm, 12mm, 13mm, 14mm, 16mm, 17mm, 18mm, 19mm, 21mm, 22mm, 24mm, and 27mm. The set also comes with a 125mm long impact extension bar, an impact universal joint, and additional pins and o rings. All components are housed in a durable red metal case for organized storage and easy transport. Input Drive Size: 1 2" Drive Shape: Square