Mariner Rack-Driven model has synchronous pressure screws. The design is similar to that of the Frigate and Galleon presses but larger, with a wider, 12-inch rack-driven bed, 3-inch rollers and 18-inch driving wheel. It weighs just over 100 pounds. Felt blankets are included. The Mariner is $3,250, fob Seattle, plus crating and shipping for people out of the Seattle area. You can get all the technical specifications - CLICK HERE.