Park Tool SW-16 Square Spoke Wrench: 3.2mm Square
- Designed to fit internal spoke nipples found on many deep section aero rims
- 3.2mm square socket
- Outside shaft diameter is nominally 6mm
- Works with rims up to 50mm deep
- Fits internal nipples on many deep section aero rims
- Extra long (3.25"/ 8.5cm) spoke wrench socket
- Ergonomically-designed screwdriver handle