Standard Pack = 1 piece(s). Adapter Size = 1 IN ; Gage Length = 3.15 IN ; Nose Diameter = 1.5 IN ; Shank Size = BT50 ; Tap Range (Fractional) = #0 to 9/16 IN ; Tap Range = M1.6 to M14 ; Tap Range (Pipe) = 0.125 IN ; Tension Compression = 0.35 ; Type = BT Tension & Compression Tapping Holders ;