Product_description: ['Extremely durable VESTIL Heavy-Duty Steel Dockboard eases loading and unloading of heavy merchandise up to 20,000 lbs. High-strength steel unit has welded in curbs and treadplate deck for maximum load stability, as well as beveled entrance and exit edges. Patented lever lift mechanism raises the boards front edge allowing fork truck to slide under and move unit to another area. Locking legs are uneven to allow the dockboard to sit canted for easier pickup off the floor by forklifts.'] (Page 1)