SpecificationASME B107.100-2010, B107.4-2005Overall Length2.77Wrench Size1-1/2Opening Shape12Wrench End TypeFlare NutWrench Body TypeStraightWrench VariationStandardDrive TypeInternal SquareDrive Size1/2Center-to-Center Distance1.38Head Thickness1.00Fastener NumberBACN10YAMaximum Torque (IN*LBS)1200Wrench Head Wall Opening1.06