IMPROVED SIZE & CAN BE PERMANENT USED: Our curb ramps are longer and wider than other ramps at 19.6 x 19.6 x 6 . The 6" height curb ramps are suitable for most driveways and sidewalks. The extended length ramps smooth out the slope to a tilt degree of 17 , which enhances traction and helps cars get over steps smoothly. 2 reserved holes are for permanent installation. DURABLE RUBBER MATERIAL & HEAVY DUTY: Made of durable and high-quality rubber materials, our curb ramp is wear-proof and weather-resistant, ensuring long-lasting use even in extreme weather conditions. With a large load capacity of 6800 lbs / 3 tons.