21Pcs Dies sizes -- UNC sizes (silver) : 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8". UNF sizes(black): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8". UNF sizes(black): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16".
M18x1.5 Thread Repair Kit, 10 Pcs Helicoil Thread Repair Kit Thread Chaser Se...
Thread Repair Kit, M6x1.0 Thread Repair Tool with HSS Drill Bit & 30 Thread I...
Thread Repair Kit M6 X 1.0mm, Helicoil Metric Thread Repair Insert Kit with H...
M10 x 1.5 Thread Repair Kit Metric Helicoil Thread Repair Kit with HSS Drill ...
5/16 18 Inch Thread Repair Kit HSS Drill Helicoil Repair Kit SAE Thread Inserts
3/8-16 in Thread Repair Kit, SAE Helicoil Thread Repair Kit with HSS Drill and S
