Grepo Tap and Die Set, 20-Piece Set for Thread Repair

20-Piece Tap and Die Set Kit for Screw Holes, Threads, and Bolt/Nut Correction. Contents: 9 Taps and Dies (each): M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1.0, M7 x 1.0, M8 x 1.25, M9 x 1.25, M10 x 1.5, M12 x 1.75. 2 Handles. Material: HSS Steel (High-Speed ​​Alloy Tool Steel), Hardness: 58-62HRC. This tap and die set is perfect for repairing screw holes, bolts, and nuts. It's a great tool for removing thread grooves, repairing threads, and troubleshooting screw problems. 20-Piece Tap and Die Set Kit