Park Tool SW-9 Double Ended Spoke Wrench, Black/Red

Smaller end: Sized for spoke nipples with 3.23 mm (0.127") wrench flats Equivalent to Park Tool SW-0 This size is often found on higher-end bikes Typical compatible nipple brands include DT Swiss, Sapim, Wheelsmith, Pillar, and many others — always measure to be sure Larger end: Sized for spoke nipples with 3.45 mm (0.136") wrench flats Equivalent to Park Tool SW-2 This size is often found on most department store bikes, as well as many other low-to-midrange bikes — always measure to be sure