... link rod machanism make the place and depth are same complete. It fits for foam ,cardboard,fabric,leather,plastic,flooring etc. ... Four-column Hydraulic Cutting MachineItem No.TW-580CUSE AND CHARACTERISTICS1. It fits for foam ,cardboard,fabric,leather,plastic,flooring, fibreglass ... link rod machanism make the place and depth are same complete.3. Adopting the single and double edge automatic feeding ...