his 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. use. It can be used in daily repair, car repair, drilling machine, etc. Ideal for engine repair and others automotive applications, for restoring damaged threads. Thread repair kit including threaded inserts, drill bit, tapping, insert installer, thread breaking tool lug, let you have a smooth repair experience.FEATURES:This thread repair kit allows M6 to repair damaged or worn threads.They can also be used to create new, stronger threads in original equipment.Sprung insert coils create a thread that is 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.FEATURES:Size thread size: M618mmThread inserts material: stainless steelThread and drill material: HSSPackage size: 17 .5 x 9.5 x 3.5cmScope: machineWeight: 240gOPERATION GUIDE:1.Put out the damaged wire using an appropriately sized drill bit (provided)2.Tap the re-drilled hole using the tap provided3.Load coiled insert into the applicator4. Screw the spool into the casting5.Using the lug clamping tool, break off the tag on the insert6.The wire is repaired and ready to go. employment.