Park DW-2 Shimano Derailleur Clutch Wrench

The Park Tool DW-2 Derailleur Clutch Wrench is a small, thin wrench with 5.5mm and 3mm openings designed to fit the rear derailleur clutch tension adjuster on Shimano XT, SLX, Deore, Saint and Zee rear Shadow Plus (+) derailleurs and all previous Shadow Plus models.