2.4" Rise Threshold Ramp, Longer Ramp with Pre-Set Holes& Plugs, Solid Rubber 12,000Lbs Capacity, Non-Slip& Cuttable Ramp for Doorways, Driveways, Warehouse, Patio, Shed- 2.4"Rise(39.3"×5.9"). [???????????????????? ???????????????????????????? ????????????????????????????????].