PurposeTo hold 311A1092 fuse pin while torqueing nutWrench End TypeFace TeethWrench Body TypeStraightWrench VariationStandardDrive TypeInternal SquareInner Tooth to Tooth Distance2.150Number of Contact Points4Spanner ShapeSocketOverall Length1.31Inner Diameter2.15Fastener Number311A1092Drive Size1/2Tooth Protrusion0.310Tooth Width0.180Head Outer Diameter2.56