3.9 Inch height: The car ramp is made of high-density rubber the rubber curb ramp measures 39 (L) x 9.8 (W) x 3.9 (H) inches. Weight Capacity: 3T/6600 lbs. Heavy duty ramps: Designed to help heavy equipment climb steps with ease ramps are the solution for curbs driveways garages loading docks parking lots and more Non-Slip surface: Kerb ramp surface features a non-slip texture that increases friction and ensures a secure grip for vehicles. Its 25° incline angle enhances traction and allows vehicles to climb up steps effortlessly Multi-purpose: Curb ramps make the transition from street to driveway smoother and easier and allow skateboards bicycles wheelchairs motorcycles strollers etc. to pass through the street Grid structure: The bottom of the ramp adopts a hollow grid design which can enhance the support and effectively avoid sliding making our curb ramps more stable and less likely to move during use