PurposeTo prevent fuse pin (310U2301 from rotating upon installationWrench End TypeFace TeethWrench Body TypeStraightWrench VariationStandardDrive TypeInternal SquareInner Tooth to Tooth Distance2.800Number of Contact Points4Spanner ShapeSocketOverall Length1.35Fastener Number310U2301Used WithTorque wrenchDrive Size3/4Tooth Protrusion0.280Tooth Width0.200Head Outer Diameter3.19