Park Tool SW-14.5 Double-Ended Spoke Wrench for Shimano
Park Tool SW-14.5 Double-Ended Spoke Wrench – Shimano® Compatible. 3.75 mm square nipples (Shimano® Part # Y-4SY N1000) – found at the rim. Shimano Compatibility: Fits selectDura-Ace, Ultegra, XTR, and Deore wheels.