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Offer valid for 10% off qualifying items.

Some exclusions apply.

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Park Tool SW-16 Internal Nipple Spoke Wrench 3.2mm

The Park Tool SW-19 Internal Spoke wrench has a 3.2mm square socket wrench to fit internal nipples on many deep section aero rims. It features an extra long (3.25"/ 8.5cm) spoke wrench socket and an ergonomically-designed screwdriver handle for power and comfort.


  • Ergonomically-designed screwdriver handle internal nipple driver
  • Hardened steel tool interface with precision machining, plated finish
  • Extra long (3.25"/ 8.5cm) square spoke wrench socket for deep bed rims
  • Outside shaft diameter is nominally 6mm
  • Size: 3.2mm Square
  • $10.95
    Item is in stock