Color Coding for Thread Types: To facilitate easy identification, rethreading tools are color-coded. 7 x UNF Dies (Black). 7 x UNC Dies (Silver). Their efficiency and convenience make them a preferred choice across various repair scenarios.
Carbon Steel Thread Repair Kit 61pc Heat-Treated with SAE/Metric Thread Files
61X Thread Repair Set 61pc UNC Silver/UNF Black/Metric Gold + Files
Universal Thread Repair Set 61pc Heat-Treated UNC UNF Metric incl. SAE Files
61pc Thread Restoration Set Heat-Treated Steel M6-M14 + 1/4"-5/8" SAE Files
Pro-Grade 61pc Thread Chaser Set Heat-Treated Carbon Steel SAE/Metric Files
Complete 61pc Thread Chaser Kit M6x1.0-M14x1.5 & 1/4"-5/8" SAE with Files