Alpine Chord Splicer: Hydraulic clamp presses connector plates into 2×6 and 2×4 lumber. Includes dual push-button controls for added safety, air clamping to hold lumber in place, 6″ x 12.5″ platen size, 4″ diameter press cylinder with a 15 ton pressing force , pump with air-cooled hydraulic oil reservoir. 240 / 480 volt, 3 phase electrical required. 100 PSI air pressure required.