The Stromberg Carlson Base Pad Extreme improves the stability of your parked and leveled RV. Great for use with the Stromberg Base Pads on soft surfaces like hot asphalt or sand.• Improves the stability of your parked and leveled RV• 6000-lb. capacity; 3500-lb. capacity when two are stacked• Side panel finger hole for ease of carrying and retrieving• Lightweight polycarbonate materials, like bullet-proof glass• Can be used with 1" or 2" thick Stromberg Base Pads on soft surfaces• Dimensions: 10" across top, 12" across bottom, 7" tall, or 12-3/8" stacked• Made in the USA• Sold individually Side panel finger hole for easy retrieving 6000-lb. capacity / 3500-lb. capacity when two are stacked Sold individually | Stromberg Carlson Base Pad Extreme, Each Made in USA