Fastener Size5/16Fastener CheckedBACB30LM, BACB30LP, BACB30LR, BACB30LU, BACB30MR, BACB30MS, BACB30NE, BACB30NM, BACB30NN, BACB30NS, BACB30PC, BACB30WP, BACB30XJ, BACB30XK, BACB30XL, BACB30XM, NAS6603 to NAS6620, NAS6703 to NAS 6720, NAS6803 to NAS6820MeasuresBolt-Grip EndGage TypeH Style (1/2 H Gage)SpecificationBAC5009Half Or Full Gage OptionTwo Piece Construction Set (Set: Includes Both B Min and P Max Halves)Composite Or Non-CompositeNon-CompositePart Thickness Under NutOver .093 