Park Tool SW-18 Internal Nipple Hex Spoke Wrench (5.5mm) - SW-18
Park Tool SW-18 Internal Nipple Hex Spoke Wrench (5.5mm) - SW-18, Designed to fit internal spoke nipples found on many deep section aero rims. Features: 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 Specs: keyword searchSW-18 Tip Size5.5mm