Feature:Taper Style: Starts the thread square with the workpiece. Plug Style: Generally used in through holes. Hand tap is used to re-thread damaged or jammed threads, also be used to thread mild steels.Mainly used for hand use, tapping the vast majority of materials in through or holed conditions. Specification:Material: Alloy Tool Steel (9SiCr)Pitch: 1.5Thread Size: M22Shank Side Width: 15mm / 0.59 inchThread Length: 32mm / 1.26 inchTotal Length: 90mm / 3.54 inch Package Contents:1 Pair x Hand Tap.