Park Tool SPA-1C Adjustable Cup Spanner 

Park Tool Pin Spanners have been designed to give maximum usefulness and versatility at the lowest possible cost. Tough, high carbon tool steel is used on each tool to ensure long life. Handle is vinyl coated to give a good grip. Each Pin Spanner is color-coded for easy recognition.

• Fits adjusting cup on many adjustable type bottom brackets
• Round pin ends have a diameter of 2.9mm