The SPA-2, with red handle, will fit one-key release retaining rings on Shimano® and Campagnolo® cranksets and the adjusting cone on most freewheel clusters (not freehubs). Park Tool Pin Spanners have been designed to give maximum usefulness and versatility at the lowest possible cost. Adjusts to a wide range of pin hole widths. Pin diameter is nominally 0.090" (2.3mm). 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 coated for easy recognition.