JET 729040 - Ph2 X 6 " A2 Power Bit (10 Pc) Air Tools It is plainly marked showing

It is plainly marked showing drill size used when solid ends of plugs and fittings must be drilled to receive the extractor

3/4-Inch Includes socket rail

such as a handle or foot pedal

Ball nose design allows engagement of fastener at up to 25-Degree angle

JET 729040 - Ph2 X 6 " A2 Power Bit (10 Pc) Air Tools It is plainly marked showingA2 steel bits are dual heat treated for greatly increased tensile strength , Allows for more consistent edges and up to 50 Percent greater life than s2 bits , Heat treated to hrc 58 62 , Available in various package quantities and lengths to suit any need , 1 4 Inch hex shaft fits ball retainer and regular style chucks