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: M6 _x000D_ Material: Stainless steel _x000D_ Weight: Approx. 155g _x000D_ _x000D_ Package Includes: _x000D_ 50 x M6*1.0*1.5D Wire Thread Inserts _x000D_ 1 x Twist Drill Bits _x000D_ 1 x Wrench _x000D_ 1 x Thread Taps _x000D_ 1 x Breaking Pin Tool _x000D_ _x000D_ _x000D_ Note:_x000D_ Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 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.