This thread repair kit allows M6 to repair damaged or worn threads. Made of high-speed steel and plastic handle in red color, 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, for restoring damaged threads. The thread repair kit, including thread inserts, drill bit, tap, insert installer, lug break tool, allow you to have a smooth repair experience. FEATURES: This thread repair kit allows M6 to repair damaged threads or worn. They can also be used to create new, stronger threads in original equipment. Sprung insert coils create a thread stronger than the original metal. Ideal for restoring damaged threads, suitable for engine repair and other automotive applications for steel, cast iron, and aluminum. Compatible with Helicoil M6 type. SPECIFICATIONS: Thread Size: M6 × 1 × 8mm Thread Inserts Material: Stainless Steel Thread and Drill Material: HSS Package Size: 17.5 x 9.5 x 3.5 cm