Features: 1. Made of high-strength diamond-shaped steel wire with high thread strength and high wear resistance. 2. The wire screw set can be placed in the screw hole of the workpiece such as aluminum alloy to form a standard internal thread with high strength, wear resistance and high precision. 3. Typical application in high voltage switchgear, microwave communication, automotive parts, aerospace precision parts, electronic products, air equipment, radiators, etc. 4. Wire thread insert can be used as a repair tool to effectively repair threaded holes 5. All accessories are packed in a box for easy carrying and storage Specification: Condition: 100% Brand New Material: Stainless Steel Weight: Approx. 329g / 11.6oz Package List: 20Pcs M3*0.5*2D 20Pcs M4*0.7*2D 20Pcs M3*0.8*2D 20Pcs M3*1.25*2D 20Pcs M3*1.0*2D 5Pcs Drills(M3,M4,M5,M6,M8 in each) 5Pcs Hole Drills(M3,M4,M5,M6,M8 in each) 5Pcs Tap(M3,M4,M5,M6,M8 in each) 1Pcs Installing Handle