| Manufacturer | Park Tool |
| Model | HCW1 |
Double-sided bottom bracket Wrench.
One side 37mm box end wrench for drive side bottom bracket cup, the other 43mm box end wrench for drive side bottom bracket cup.
Victoria Tool Library
http://victoriatoollibrary.org/
750 Fairfield Roadhttp://victoriatoollibrary.org/
Victoria, BC, V8W 2H1
Canada