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Nicholson
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Product Features:
- Used to restore damaged or worn external threads on bolts, pipes, etc.
- Each thread restoring file will work with 8 different thread sizes
- Convenient 4-piece set
- Color caps on tubes
- Type 1 black cap: Regular bolt; 11, 12, 13, 14, 16, 18, 20, 24 TPI
- Type 2 red cap: Ex. fine/ex. coarse bolt; 9, 10, 12, 16, 20, 27, 28, 32 TPI
- Type 7 green cap: Regular pipe; 8, 10, 11 1/2, 14, 16, 18, 24, 27 TPI
- Type 8 blue cap: Metric Bolt; .80, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00 mm