Master course and fine with extra inserts
30PC M6 x 1.0mm Thread Repair Insert Kit - Stainless Steel Metric Helicoil Set
261PC Thread Repair Kit, SAE & Metric Helicoil Set (1/4" to 1/2", M5 to M12)
NAPA BALKAMP HELICOIL Master Thread Repair Set 770-3021 Super Nice Free Ship
Helicoil No. 4934 Master Thread Repair Set
HeliCoil Master Thread Kit Set - Size 1/2-13 P/N 5401-8 - Made in the USA
Helicoil Master Thread Repair Set No. 4934 Barely Used Only 7 Of 54 Inserts Used
