?This thread repair kit allows you to repair damaged or worn M8 threads. ?Made of high speed steel and red plastic handle, sturdy and durable in use. ?It can be used in daily repair, car repair, drilling machine, etc. ?Ideal for engine repair and other automotive applications, to restore damaged threads. ?The thread repair kit, including thread inserts, drill bit, thread cutting, insert installation, eyelet breaking tool ensure a smooth repair experience. ?FEATURES: This thread repair kit allows you to repair threads. M8 threads for repairing damaged or worn threads. They can also be used to create new, stronger threads in the original equipment. Spring loaded insert coils create a thread stronger than the original metal. Ideal for restoring damaged threads, suitable for repairing damaged threads. à Engine repair and other automotive applications for steel, cast iron and aluminum. Compatible with Helicoil M8 type. ?FEATURES: < p> Thread Size: M8 x 1.25 x 8mm Thread Inserts Material: