Fixinus 30 Piece M5 x 0.8mm Thread Repair Insert Kit, Stainless Steel Thread Repair Kit Helicoil Coil Compatible Hand Tool Set for Auto Repair. Fixinus 30 Pieces M5 x 0.8 mm Thread Repair Insert Kit, Stainless Steel Thread Repair Kit Helicoil Coil Compatible Hand Tool Set for Car Repair✔ Features:1.