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- For fixing bottom bracket threads on the frame or removes excess paint or dirt from threads
- BSA standard - left & right thread tap 1.3/8 × 24 TPI
- Includes: Reamer’s magnetic handle 1695.1/4BI or 1695.1/4BIUS, Reamer holder for 1697.2/4, Left & right tap BSA 1.3/8 × 24 TPI