A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 12-notch tool fittings, including Chris King ThreadFit T47 & ThreadFit 30 bottom brackets. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive

• Fits 12-notch bottom bracket tool fittings with a major diameter of 50–53mm and a minor diameter of 48.2mm, including:
  
• BBInfinite T47
  
• Chris King ThreadFit T47
  
• Chris King ThreadFit 30
  
• Enduro BBRight Torqtite
  
• Hambini T47
  
• Rotor T47 External 30mm
  
• Rotor BBright, BB30, BB386EVO, and PF30 thread-together