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. 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. 85g / 3.0oz Package List: M3*0.5: 20pcs M3*0.5*1D 20pcs M3*0.5*1.5D 20pcs M3*0.5*2D 20pcs M3*0.5*2.5D 20pcs M3*0.5*3D 1Pcs M3 Drill 1Pcs ST3*0.5 Tap 1Pcs M3 Installing Head 1Pcs M3 Installing Handle 1Pcs M3 Break Tool M4*0.7: 20pcs M4*0.7*1D 20pcs M4*0.7*1.5D 20pcs M4*0.7*2D 20pcs M4*0.7*2.5D 20pcs M4*0.7*3D 1Pcs M4 Drill 1Pcs ST4*0.7 Tap 1Pcs M4 Installing Head 1Pcs M4 Installing Handle 1Pcs M4 Break Tool M5*0.8: 20pcs M5*0.8*1D 20pcs M5*0.8*1.5D 20pcs M5*0.8*2D 20pcs M5*0.8*2.5D 20pcs M5*0.8*3D 1Pcs M5 Drill 1Pcs ST5*0.8 Tap 1Pcs M5 Installing Head 1Pcs M5 Installing Handle 1Pcs M5 Break Tool