HEX PIN HOLE INSERT BIT 1/4" HEXAGON DRIVE ALL SIZES FULL RANGE METRIC IMPERIAL
ALL BITS ARE 1/4" HEX HEXAGON DRIVE. ALL SECURITY TYPE WITH PIN HOLE END. 1.5mm Cr-Mo MARKED WITH "573-8680" ON BIT. 1.5mm Cr-V MARKED WITH SIZE ON BIT. 2.0mm Cr-Mo MARKED WITH "5735319" ON BIT. 2.0mm Cr-V MARKED WITH SIZE ON BIT.