M14 x 1.5 Thread Repair Tool 15pcs Helicoil Wire Inserts Kit. Thread inserts material: Stainless steel. Thread tap and the drill material: HSS (High-speed Steel). Thread size: M14 x 1.5mm. The installation tools in this kit are made of high speed steel for excellent handling, while the inserts are stainless steel for increased strength and longevity.
