Features: _x000D_Provide strong internal thread which resist heat and corrosion when installed. _x000D_Once fitted their position is held by the radial pressure between the coils and the flanks of the drilled hole. _x000D_Manufactured from precision stainless steel wire for strength, wearproof and durability. _x000D_Increase connection strength and fatigue resistance due to the elasticity of wire thread inserts. _x000D_Great choice for restoring damaged threads in steel, iron, aluminum and anywhere metal threads become stripped, crossed or damaged. _x000D_ _x000D_Specifications: _x000D_Model: M3 _x000D_Material: Stainless steel _x000D_Weight: Approx. 133g _x000D_ _x000D_Package Includes: _x000D_10 x M3*0.5*1D Wire Thread Inserts _x000D_10 x M3*0.5*1.5D Wire Thread Inserts _x000D_10 x M3*0.5*2D Wire Thread Inserts10 x M3*0.5*2.5D Wire Thread Inserts10 x M3*0.5*3D Wire Thread Inserts _x000D_1 x Twist Drill Bits _x000D_1 x Wrench _x000D_1 x Thread Taps _x000D_1 x Breaking Pin Tool 1Provide strong internal thread which resist heat and corrosion when installed. 2Once fitted their position is held by the radial pressure between the coils and the flanks of the drilled hole. 3Manufactured from precision stainless steel wire for strength, wearproof and durability. 4Increase connection strength and fatigue resistance due to the elasticity of wire thread inserts. 5Great choice for restoring damaged threads in steel, iron, aluminum and anywhere metal threads become stripped, crossed or damaged.