Features GOOD PERFORMANCE: Due to its certain elasticity, thread inserts can evenly distribute the load on each thread, eliminate the pitch and tooth deviation between screws and holes, and absorb vibration. INCLUDED TOOLS: The thread repair kit includes 50 pieces wire thread repair inserts, an installation tool, a twist drill bit, a tap and a hand punching tool to meet more thread repair needs. MAIN PURPOSE: This kit is the perfect solution for repairing damaged or peeled threaded holes, forming a sturdy female thread in soft metal to protect tapping threads from wear and damage. WITH STORAGE BOX: This kit is equipped with a storage box, which can store these steel wire thread inserts and installation tools, as well as provide good protection and convenient carrying. APPLICABLE MATERIAL: These thread inserts are suitable for aluminum and other low strength materials to achieve good connection effects, enhance connection strength, and avoid thread damage. Spec: Item Type: Thread Repair Kit Model: YB03018 Material: 304 Stainless Steel Thread Repair Inserts: M2.5x0.45x2D M2.5x0.45x2D means that the screw to be installed is M2.5x0.45 thread, M2.5 represents 0.45 diameter thread, 2D represents 2 times the diameter of the length. PackageList: 1 x Installation Tool 1 x Drill Bit 1 x Tap 1 x High Punch Tool 50 x Thread Repair Inserts 1 x Storage Box Package List 1 x Installation Tool 1 x Drill Bit 1 x Tap 1 x High Punch Tool 50 x Thread Repair Inserts 1 x Storage Box