PurposeUsed to secure the pinion gear against rotation while a torque of 125 IN/LBS (max) is applied to the cable drum. (Initial requirement). May be used on other areas.SpecificationASA B5. 15-1950Overall Length4.44Wrench End TypeExternal Involute SplineWrench Body TypeStraightWrench VariationStandardDrive TypeInternal SquareDrive Size1/2Head Thickness0.60Used WithTorque WrenchWhere UsedPinion GearNumber of Teeth8Spline Pitch16/32Maximum Torque (IN*LBS)125 