New Haven's Mattress Bags will do the job
They are flanged to be snug against the interior wall
New Haven's Heavy Duty smooth sided Shoring Beam is the most durable on the market today
and features hard chrome lift ram with polygraphite seals
For use with Series 'E' Track [NH43002]
38" Wide Split Aluminum Ramp Size:12' x 38" 6000 lb cap New Haven's Mattress Bags willOne of the most useful all purpose loading ramps. Engineered to be used as a 36" wide 6,000 lb. capacity standard moving ramp, for electronic or household goods, when locked together, or used as a split ramp for auto and outsized equipment loading. Overall width 38" when locked together, with each half at 19" wide and a 4" curb that runs the length of the outer sides of the ramp. Available in 10', 12', 14', 16', 16'HD