General description Suitable for repairing all kinds of damaged threads. This 131-piece Thread Repair Kit includes Helicoil drill bits and sleeves, making it an essential tool for car engine repair. It is lightweight and easy to carry, with a small size for convenient storage and a plastic handle for a comfortable grip. Technical specifications Material: HSS high-speed steel Case: Iron Color: Red + Black Product range includes: 110x Thread inserts: 25x M5 -- 7.1 cm length 25x M6 -- 7.1 cm length 25x M8 -- 8 cm length 25x M10 -- 9 cm length 10x M12 -- 9.6 cm length 5x Twist drills 5x Taps for threaded inserts 5x Mounting tools for threaded inserts / threaded bushings 5x Tenon breakers Other information The product kit contains small parts. Please keep it out of reach of children and pets to avoid the risk of swallowing.