Park Tool SW-40 Spoke Key

Unique four-sided design provides extra strength and support and helps prevent slipping and deformation of aluminum nipples.

Uses the same world famous design and high quality materials as our three-sided spoke wrenches.

SW-40 FEATURES

• Four-sided
• Sized for 0.127″ (3.23mm) nipples
• Same size as the SW-0 (black)
• Fits common Edco®, Wheelsmith® and DT® square nipples, among others