Park Tool Double-Ended Spoke Wrench - SW-9

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