Sizes include 10, 11, 12, 13, 14, 15, 17mm. * Grip sizes include Hex 6pt, Square 4pt, Hex 12pt, External TorxR, Spline, partially rounded hex 6pt * The universial tooth design can grip six different sized nuts and bolts * Angled wrench head provides extra knuckle room and more leverage * Backed by Craftsman lifetime warranty