New old stock Healy coil kit number 5528–6 the size is 3/8 x 24. The kitten includes the top the insert tool and the inserts for sale in the USA lower 48. No returns.
Thread Repair Kit M6 X 1.0mm, Helicoil Metric Thread Repair Insert Kit with H...
131pcs Helicoil Metric Thread Repair Kit, HSS Drill Thread Insert Repair Tool...
131PCS Helicoil Type Thread Repair Kit rethread Stripped Metric M5 M6 M8 M10 M12
131PCS Helicoil Type Thread Repair set rethread Stripped Metric M5 M6 M8 M10 M12
Lot HeliCoil Professional Thread Repair Kit
