131PCS Helicoil Type Thread Repair Kit rethread Stripped Metric M5 M6 M8 M10 M12

Coarse Thread Inserts Coil Size: M5x0.8x6.7 mm, M6x1.0x8.0 mm, M8x1.25x10.8 mm, M10x1.5x13.5 mm, M12x1.75x16.3 mm. Suitable for engine repair and other automotive applications.