Drilling machine vice BSH. Size 4, jaw width 80. Robust and stable design for secure clamping of workpieces on drilling and measuring machines. Stable design for drill stands, table, and pillar drilling machines. Clamping system is mechanical and manually operated. Long toggle for maximum clamping forces. Both clamping jaws feature a support surface for clamping flat workpieces. The movable steel jaw is supported by a cast iron jaw with internal guide. The fixed clamping jaw includes three vertical prisms and one horizontal prism. Jaws and spindle are burnished. The base body is made of gray cast iron, with lateral long hole clamping slots.