Brand newMaterial: Stainless SteelColor: silverSize: M3-M12The 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 hardness.Convenient and practical.Durable in use.Used in various low strength materials, which can improve the wear resistance of bolt connections and avoid the damage of thread.Package included:10pcs x M3x0.5x2D Thread Repair Insert10pcs x M4x0.7x2D Thread Repair Insert10pcs x M5x0.8x2D Thread Repair Insert10pcs x M6x1.0x2D Thread Repair Insert10pcs x M8x1.25x2D Thread Repair Insert5pcs x M10x1.5x2D Thread Repair Insert5pcs x M12x1.75x2D Thread Repair Insert1pcs boxOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.