2.8″ Rise Threshold Ramp, Non-Slip, Cuttable, Weatherproof Doorway Ramp, 12,000Lbs Capacity Driveway Ramp for Trucks, Warehouse, Scooter, Patio, Shed- 2.8″Rise (39.4″×7.9″). [????????????????????????, ????????????????????????????] Crafted from solid, sturdy rubber, this ramp is built to resist cracking, deformation and scratches.