Park Tool Internal Nipple Spoke Wrench 5.5MM Hex Socket SW-18

5.5mm Hex Socket Internal Nipple Spoke WrenchThe SW-18 has a 5.5mm hex socket. It uses an extra long (3.25/85mm) spoke wrench socket to fit internal spoke nipples found on many deep section aero rims. Featuring our dual density, ergonomically designed screwdriver handle.