About this item Heavy Duty Load Bearing: Our car ramps heavy duty adopt high-strength premium steel and built-in hydraulic system, supporting up to 5T/12000 LBS. Thickened plate and reinforced welding make these car ramps with hydraulic jack far more sturdy than ordinary plastic low profile car ramps, ideal as oil change ramps and truck ramps for oil changes. Stable Anti-Slip Base Design: Expanded base ensures no lateral sliding during use. Textured surface and triangular stoppers lock tires firmly, this set of automotive ramps works perfectly as vehicle ramp and low profile ramps, great for car ramps for low cars. Adjustable Lifting Height: This car lift portable features 9.45"-13.78" adjustable height with safety lock pin for fixed positioning. Ergonomic lifting design makes ramps for.