Park Tool SW-40 Bike 4-Sided Spoke Key Wrench 3.23mm 0.127" Black New PK-291-U11
Each SW-40 ismade 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. Sized for spoke nipples with 3.23 mm (0.127") wrench flats.