Proto® TorquePlus™ Box End Wrench, Deep, Measurement System: Imperial, Double End/Offset Wrench, 3/8 x 7/16 in Wrench Opening, 12 Points, 7-3/4 in Overall Length, 60 deg Offset, 39/64 x 45/64 in Box End Width, 5/16 x 11/32 in Box End Thickness, Specifications Met: ASME B107.100, AS954E S3.8.1, Federal GGG-W-636E, Steel, Satin