Features [Efficient] This wire thread insert kit provides a firm internal thread, which can resist heat and corrosion during installation. [Flexibility] Once assembled, their position is maintained by radial pressure between the coil and the side of the hole. [Wear Resistance] This thread repair kit is made of precision stainless steel wire with strength, wear resistance and durability. [Very practical] Due to the elasticity of the wire thread insert, the connection strength and fatigue resistance increase. [Damage Recovery] Ideal for recovering steel, iron, aluminum, and any damaged metal wire that has stripped, crossed or damaged threads. Specifications: Model: M6 Material: Stainless steel. Weight: approx. 155g Package includes: 50 wire thread inserts M6 x 1.0 x 1.5'D 1 x Twis't Drill Bits 1 x key. 1 x screw taps. 1 x Break Pin Tool Package List