Features and Benefits:

• Restores damaged threads on bolts and shafts
• Files are cross-cut and depth proportional to the thread pitch, so will not skip or jump out of fine pitches
• All are 7/16" square x 8-3/8" long
• Type: SAE
• Pitch Sizes: 9, 10, 12, 16, 20, 27, 28, 32 TPI (Threads per inch)

Thread Restoring File - SAE OAL 8-1/2 in (22cm). 9, 10, 12, 16, 20, 27, 28 and 32 TPI