ITEM NAME:1X(M6 Steel Wire Thread Insert Combination Tool Set Thread Repair Tool Kit T1D8) 1X(M6 Steel Wire Thread Insert Combination Tool Set Thread Repair Tool Kit T1D8) 1X(Model Number: Wire Thread Insert Kit DIY Supplies: Woodworking Item Type: Threaded insert Provide strong internal thread which resist heat and corrosion when installed. Once fitted their position is held by the radial pressure between the coils and the flanks of the drilled hole. for strength, wearproof and durability. Increase connection strength and fatigue resistance due to the elasticity of wire thread inserts. Great choice for restoring damaged threads in steel, iron, aluminum and anywhere metal threads become stripped, crossed or damaged. Weight: Approx. 155g colour:Photo Color Material:steel Package Contents: 50 x M6*1.0*1.5 Wire Thread Inserts 1 x Twist Drill Bits 1 x Wrench 1 x Thread Taps 1 x Breaking Pin Tool)