Park Tool SW-16 INTERNAL NIPPLE SPOKE WRENCH 3.2mm Square

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