Bessey High performance Pump F-Clamp 500/120 - Tightening force up to 9.000 N Fixed clamp with double riveting for high stability and tightening accuracy Spindle with trapezoidal thread for high stability and long utility Corrosion protection of pressure bolts, jaws and spindle through zinc plating and chromatization in yellow Serrated and tempered brake prevents release or slide the movable jaw Optimal corrosion protection of the plate surface through nickel galvanizing. Cold wire plate especially durable, ribbed for a secure grip of the brake.