13-pc. SAE set includes - 5/16", 11/32", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16" & 1" reversible combination ratcheting wrenches Surface Drive design nearly eliminates fastener rounding No need to remove from fastener to change direction with compact reversing lever and additional knuckle clearance provided by 15% off-set Ratcheting box-end needs as little as 5 degrees to move fastener VS. 30 degrees for standard box end wrenches Mirror chrome finish - all metal construction, Manufacturer: GearWrench