Features 1、Thread Repair: This insert nut is a great repair tool when it comes to threading errors or repairing damaged female holes. 2、Reliable Work: Works perfectly with screws and bolts, the threaded nut ensures firm fixing without slipping, very reliable. 3、Include 55Pcs: There are 55pcs insert nut in different sizes, and the large quantity will satisfy your varied working needs. 4、Broad Utility: Suits for aviation, automobile, electronic communication, computer, lighting, equipment and other fields. 5、Good Material: Made from premium stainless steel material with high hardness, durable with corrosion and long term using. Specification Item Type: Insert Nut Material: Stainless Steel Specification: 10Pcs M3 x 0.5 M5 x 0.8 L6mm 5Pcs M3 x 0.5 M5 x 0.8 L8mm 5Pcs M3 x 0.5 M5 x 0.8 L10mm 5Pcs M3 x 0.5 M6 x 1 L6mm 5Pcs M3 x 0.5 M6 x 1 L8mm 5Pcs M2 x 0.4 M3 x 0.5 L2.5mm 5Pcs M2 x 0.4 M3 x 0.5 L4mm 5Pcs M2 x 0.4 M4 x 0.7 L4mm 5Pcs M2.5 x 0.45 M4 x 0.7 L5mm 5Pcs M3 x 0.5 M5 x 0.8 L4mm Package List 10Pcs M3 x 0.5 M5 x 0.8 L6mm 5Pcs M3 x 0.5 M5 x 0.8 L8mm 5Pcs M3 x 0.5 M5 x 0.8 L10mm 5Pcs M3 x 0.5 M6 x 1 L6mm 5Pcs M3 x 0.5 M6 x 1 L8mm 5Pcs M2 x 0.4 M3 x 0.5 L2.5mm 5Pcs M2 x 0.4 M3 x 0.5 L4mm 5Pcs M2 x 0.4 M4 x 0.7 L4mm 5Pcs M2.5 x 0.45 M4 x 0.7 L5mm 5Pcs M3 x 0.5 M5 x 0.8 L4mm 1 x Storage Box