PARK TOOL SW-16 Internal Nipple Spoke Wrench

Some wheels feature spoke nipples accessible only through holes on the outside of the rim. The SW-16 is specifically designed to access these hard-to-reach internal nipples. Features a comfortable dual-density handle and an extra long shaft for deep aero rim cavities.

SW-16 Features

Sized for 3.2 mm square-shaped internal nipples
Shaft length: 825 mm (3.25″)
Shaft outside diameter: 6 mm (0.24″)