Professional wrenches have 15 offset Allen drive box end for maximum torque with less chance of fastener head rounding. Alloy steel with nickel-chrome finish. Chamfered opening. Comfortable grip. 12-pt. SAE set includes 3/8in., 7/16in., 1/2in., 9/16in., 5/8in., 11/16in., 3/4in., 13/16in., 7/8in., 15/16in., 1in., 1 1/16in., 1 1/8in. and 1 1/4in. sizes. Heavy-duty cloth/vinyl roll-up pouch. Lifetime limited warranty. Pieces: 14qty.Point Size : 12 qty.SAE Size(s): 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1, 1 1/16, 1 1/8, 1 1/4 in.Storage Type: Heavy-Duty Cloth/Vinyl Roll-up Pouch.