Lang Thread Restorer File 3 Piece Set Description: Lang thread restorer files restore damaged external threads, any diameter, right or left hand. Just select the proper number of threads per inch or millimeters per thread, and overlapping several good threads, work over the area using regular file strokes. Lang rethreading files are highly tempered for strength and durability. Packaged in a reusable pouch.

Technical Specifications: Threads per inch:

• 9, 10,11
• 12, 13, 14
• 16, 18, 20
• 24, 27, 28
• 30

Millimeters per thread:

• 0.75, 1.00
• 1.25, 1.50
• 1.75, 2.00
• 2.50, 3.00