Plate Loaded Upper Body Gym Machines for Strength Training Workouts! Plate Loaded Gym Equipment allows Customizable Weight on any Lift with the isolation of a Machine. Health Club Owners appreciate the Rugged Construction such as: Frame Materials made from 3" x 2", 3" x 3", 4" x 2" 3.5 mm Thick 8 Gauge Steel, inert-gas MIG all-welded Construction and 8 lb. per cubic foot 32 oz. Foam Density encased in the Best Quality Double Stitched Upholstery.