This pipe tap is made of powdered metal and has a 0.168 inch diameter, 1.2980 inch long shank. It is designed for use with nickel, titanium, and meets the standards for ANSI. This 312NI series pipe tap has a black oxide finish, and has pipe measurements. It is non-coolant through, has right hand direction with a 2⅛ inch length. Plus it has three flutes and a straight shank.