PurposeTo prevent rotation of fuse pin during torquing operationWrench End TypeFace PinWrench Body TypeStraightWrench VariationStandardDrive TypeInternal SquarePin Diameter3/16Pin Protrusion Length0.25Number of Contact Points4Spanner ShapeCircular HeadCenter Pin to Center Pin Distance2.780Used WithTorque wrenchDrive Size3/4