Park Tool SW-18 Internal Nipple Spoke Wrench - 5.5mm Hex Socket

- Screwdriver handled wrench to fit internal spoke nipples on deep section aero rims.
- Featuring a 5.5mm hex socket to perfectly into the tight surroundings of most rims.
- Extra long (3.25inch / 8.5cm) spoke wrench socket to prevent fouling on rim.
- Outside diameter of the shaft is 8.2mm.
- Note: Wheel manufacturer specifications can change without notice.
- Note: The DT "pro-lock" nipples are a 5.5mm sizing.
- Made in the USA and covered by Park's legendary limited lifetime warranty.