Vertical series The hold-down bar and the handle move in the same direction. When the clamp is in the closed position the handle is vertical. The light version have holding capacities ranging from 90 to 800 daN. The heavy version is used when highly resistant forces are applied, i.e. when closing jigs for foams, polyurethans, etc. They can be easily disassembled in order to adjust or reshape the parts according to usage requirements. Specifications For light series: Components in UNI 5867 case-hardening sheet steel. Hardened and tempered supporting pivots. Supporting bushes undergo case-hardening and grinding (for sizes from 200 daN. over). The templet of the clamping lever is shorn and reinforced in the spot of major work. For heavy series: Clamping lever, pivots and supporting bushes are made of UNI 5105 steel (weldable). Other parts are made of UNI 7230-73 steel. Pivots and bushes undergocase-hardening and grinding. Finishing of both the series: galvanized.