Feature: 1. High-quality materials and processing, can have more efficient maintenance efficiency than most other alternatives 2. Excellent choice to restore damaged threads wherever steel, iron, aluminum and metal threads are peeled off, crossed or damaged 3. There is a transparent plastic box which you can store and convenient to carry 4. Suitable for various types of processing machinery 5. Suitable for general steel materials and non-ferrous alloys, blind hole processing Specification: Item Type: Thread Repair Insert Set Applicable Types: Ordinary steel wire screw sleeve, self-locking type Box Material: Transparent plastic Specification: M4 Scope of Application: Suitable for general steel materials and non-ferrous alloys, blind hole processing, suitable for various types of processing machinery Assembling process of steel wire screw socket Process Route: (1) Drilling (2) Tapping (3) Inspection (4) Assembly (5) De-handling (6) Inspection. Package List: 1 x Wrench1 x Breaker1 x Tap1 x Drill Bit1 x Hex Socket wrench20 x Screw Socket