Specifications:Model: 1#Fit Tap Size: M4 / 6# (Metric / Inch)Number of Flutes: 3 FlutesSlot Depth: 4mm / 0.16", Slot Width: 1.2mm / 0.05"Square End Size: 3.5mm / 0.14"Total Length: 52mm / 2.05"Material: High Carbon SteelFinish: UncoatedPackage Content: 1 x Tap ExtractorDescriptions:Made of high carbon steel, the tap extractor features high hardness high strength and wear resistance.Suitable for efficiently removing stripped, broken or rust taps from wood or metal surface. Pay attention to the optimal depth of insertion.The tap remover is a special tool designed to easily remove broken taps. The structure is based on the groove structure of the tap. Insert the extractor into the tap groove with right size. Insert the tap extractors into the drill or used with tap wrench / spanner wrench.