Standard Pack = 1 piece(s). Adapter Size = 3 IN ; Gage Length = 3.85 IN ; Nose Diameter = 3.38 IN ; Shank Size = 1-1/2 IN ; Tap Range (Fractional) = 1/2 to 1-3/8 IN ; Tap Range = M12 to M33 ; Tap Range (Pipe) = 3/8, 1/2, 3/4, 1 IN ; Tension Compression = 0.94 ; Type = Straight Shank Tension & Compression Tapping Holders ;