Blackhawk™ by Proto® Combination Wrench, Measurement System: Imperial, Non-Ratcheting Wrench, 1-1/4 in Wrench Opening, 12 Points, 16.84 in Overall Length, 15 deg Offset, 1-7/8 in Open End Width, 3/4 in Open End Thickness, 2-5/8 in Box End Width, 9/16 in Box End Thickness, 15 deg Head, ASME B107.100 Specifications Met, Alloy Steel, Polished Chrome