NOS ~ Helicoil 5521-6 ~ Coarse Thread Repair Kit ~ 3/8 - 16 ~ 13 piece Set ~ Package shows some wear from being stored for extended period of time
HeliCoil 552100 Coarse Thread Repair Kit 5/8-11 Inch
Helicoil Inch Coarse Master Thread Repair Kit 5621
Helicoil Metric Coarse Master Thread Repair Kit 5626-150
HeliCoil 5521-7 Coarse Thread Repair Kit 7/16-14 Inch
HeliCoil 5521-6 Coarse Thread Repair Kit 3/8-16 Inch
HeliCoil 5521-5 Coarse Thread Repair Kit 5/16-18 Inch
