Features The thread repair kit includes assembly tools, taps, drills and wire thread inserts. It is very suitable for repairing damaged threads and for car repairs. It helps to form stronger internal threads in soft metals and protects the threads from wear and damage. Made of high quality stainless steel material, it has strength and durability. It comes with a storage box that is convenient to carry and suitable for maintenance. Features: The thread repair kit includes assembly tools, taps, drills and wire thread inserts. It is very suitable for repairing damaged threads and for car repairs. It helps to form stronger internal threads in soft metals and protects the threads from wear and damage. Made of high quality stainless steel material, it has strength and durability. It comes with a storage box that is convenient to carry and suitable for maintenance. Specification: Function: Screw thread repair Type: M4*0.7 Material: 304 stainless steel Threaded Insert Size: M4*0.7*2D Threaded Insert Quantity: 20pcs Weight: 143g / 5oz (approx.) Package list: 1 * Installation Tool 1 * Tang Break Tool 1 * Screw Tap 1 * Drill Bit 20 * Threaded Inserts 1 * Packing Box Package List