BBT-18 FEATURES
- 8 notches with an outside diameter of nominally 43.4mm
- The inside-to-inside width is approximately 38mm
- Each notch is approximately 3.9mm wide
- The hole in the center of the casting is 22.5mm, and will not fit over 30mm spindles
- Can be used with a 36mm crow foot (such as the TWB-36) or open-ended wrench