STRAIGHT FLUTE TYPE; 4-1/2 INCH; 3/4 INCH MAX. BOLT/SCREW SIZE; 0.538 INCH SMALL END DIAMETER; 0.538 INCH LARGE END DIAMETER; SCREW EXTRACTOR; 1/2 INCH; RIDGID. BRAND; WEIGHT 4 OZ; STANDARD QUANTITY 6 PER PACK; MAXIMUM DEPTH 2 INCH; 7 MODEL