The principle of the shoulder vice is basically that of a rear vice, but which clamps vertically to the longitudinal edge of the workbench. The clamping runner does not travel to the side as is common in rear vices, but instead towards the front. The main advantage of this design is that no additional space is required to the side of the workbench. The handle provided has a screw thread on both sides to allow it to be dismantled again later on. The ends of the handle are secured with a rubber ring. Maximum clamping width 150 mm.