Park Tool SPA-2 Red Freewheel Ring Pin Spanner

For the mechanics out there...

Pin Spanners designed for adjustable bottom bracket cups and miscellaneous fixtures.

• Fits one-key release retaining rings on Shimano and Campagnolo cranksets and the adjusting cone on most freewheel clusters (not freehubs)
• Pin diameter is nominally 0.090" (2.3mm)