PurposeDet -2 to torque nut retainer No. 65B81213-14 to 4150-540 IN-LBWrench End TypeFace TeethWrench Body TypeStraightWrench VariationStandardDrive TypeInternal SquareInner Tooth to Tooth Distance1.750Number of Contact Points4Spanner ShapeSocketOverall Length1.63Inner Diameter1.75Fastener Number65B81213-14Drive Size1/2Tooth Protrusion0.350Tooth Width0.150Head Outer Diameter2.38