All-welded HERCULES Hydraulic Work Positioner and Die Table features heavy-duty 1/4" thick steel construction. Two 4" dia. stabilizing columns keep table top uniformly level when raising and lowering. 1/4" thick smooth reinforced steel top. Hydraulic ram gives 18" lift. Foot-activated floor lock is set by slight downward pressure, released by upward pull. Single-speed hydraulic foot pump elevates table to work height, leaves hands free.