Park Tool Spoke Key SW-0C - for 3.23mm Nipples

SW-0 is sized for 0.127" (3.23mm) nipples.
The SW-0 fits the common Edco, Wheelsmith, and DT square nipples, among others.

Our iconic spoke wrenches have been a mainstay of our product lineup since we introduced them over 50 years ago. With their simple design and professional quality, they're still the favorite of bike mechanics around the world. Each Park Tool SW-0 is made in the USA, and is heat treated and nickel plated for long service. Park Tool spoke wrenches are vinyl dipped to indicate the size at a glance.

SW-0 Features
Sized for spoke nipples with 3.23 mm (0.127") wrench flats
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