GOOMAND Tap Set, 8-Piece Set with Tap Handles, Bolt Extractor, Removes Broken Bolts and Stripped Screws

Can be used for both through and blind holes. Strong enough to be used for sharpening threads on general machinery and equipment. Tap handle material: High-speed steel, weight: 0.3 kg, size: 195 mm long. Compatible with M3-M12 tap sets. High-speed steel tap set. Sizes: M3x0.5, M4x0.7, M5x0.8, M6x1.0, M8x1.25, M10x1.5, M12x1.75. For re-sharpening nuts and threaded holes. When re-sharpening, follow the normal procedure: apply lubricant, rotate 180 degrees, then return 90 degrees.