Specifications: Used in various low strength materials, which can improve the wear resistance of bolt connections and avoid the damage of thread. The locking type wire screw sleeve can lock the screw into the threaded hole, so that the screw is not loose when subjected to shock vibration. Because of a certain elastic, can make the load on the thread is more even, eliminate the screw and screw hole deviation between the pitch and tooth type, and can absorb vibration, thus increasing the screw thread connection strength and resistance to fatigue strength. Avoid sliding wire, wrong tooth phenomenon, and obtain excellent connection performance. Anti-loose, especially for the aircraft and other products requiring high insurance coefficients. Improve the life of thread, high strength and high hardness. Convenient and practical, durable in use. Easy to maintain, can be reused. Item Name: Thread Repair Insert Quantity: 60Pcs or Set Material: Stainless Steel Size: 10Pcs x M3x0.5x2D Thread Repair Insert 10Pcs x M4x0.7x2D Thread Repair Insert 10Pcs x M5x0.8x2D Thread Repair Insert 10Pcs x M6x1.0x2D Thread Repair Insert 10Pcs x M8x1.25x2D Thread Repair Insert 5Pcs x M10x1.5x2D Thread Repair Insert 5Pcs x M12x1.75x2D Thread Repair Insert Box Size: 15cm x 10cm x 4cm(Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 60 x Thread Repair Insert