Of Meehanite. With case-hardened, fully ground and flat jaws. The sides are parallel ground to a tolerance of 0.02 mm and at an angle to the base plane, which permits both vertical and edgewise mounting. Cast mounting slots for fixing of clamp irons.
As an extra accessory there is a swivel, graduated base plate 0-180°, longitudinal stop bolt, and prismatic jaws for round workpieces.
Vices with milled grooves for slot heads are available on special order.