Park Tool SW-6 Spoke Wrench - 3.7 mm ZIPPMARCH To commemorate this golden year

To commemorate this golden year

Aqua anodized finish

With a Toray T1000 carbon fibre support structure and carbon rails

This ensures optimal ventilation even at high exertion levels

Pivot bearings for a fatigue-free function

Park Tool SW-6 Spoke Wrench - 3.7 mm ZIPPMARCH To commemorate this golden yearOur 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 6 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. Specifications Sized for spoke nipples with 3. 7 mm (0.