Standard Pack = 1 piece(s). Tube No=5; Tube Size=0.3125; Thread Size=1/2-20; Diameter Reamer=0.455; Diameter Spotface=0.95; Diameter Shank=0.5; Length Shank=2; Length Reamer=0.661; Length Head=1.25; Length Overall=3.25; Diameter Shank Decimal=0.5; Diameter Shank No (0) 3 Decimal Places=0.5; Length Overall Decimal=3.25;