Clamping system in which the circular movement of the control lever is transformed into linear movement of the tie rod, this series is mostly used in closing hinged lids and containers.Support base parallel to the line of action of the force. In the closed position the control lever is parallel to the support base.Parts in UNI 5867 cemented steel sheet and UNI 7230-73 steel traction hook. Clamping force Fh 320 daN. Galvanized finish. Weight 320gr.