The HELI-COIL 4936 Thread Repair Kit is a set of 60 pieces designed for repairing fine threads ranging from 10/32 to 1/2 20. Made by Helicoil, this kit follows the SAE system of measurement and includes all the necessary tools for a successful repair. Although it does not come with a warranty, this thread repair kit is a reliable option for automotive and industrial applications. 2 1/2 in Heli coils missing 
