Wenger
130mm
The robust ¼" Bit Driver was introduced in 2009 to some of the Wenger 130mm models, such as the Ranger 174 and the Alinghi 181. It enables great capability and versatility in the tool to perform many tasks.
The bit driver is a hole incorporated into the scales, frame and springs of the knife that accepts standard ¼" (14mm) quick release bits, the bits snap in securely and are held in place by one of the springs, they are easy to pull out.
85mm
An equivalent feature was introduced into the titanium scales of the 85mm Wenger Titanium Series in 2011.