The Black Widow Durable Plastic Car Service Ramps are designed for heavy-duty use with a maximum weight capacity of 10,000 lbs. Made of durable plastic material, these 2-stage incline ramps provide a maximum lift height of 6 inches. With a unit quantity of 1 and a manufacturer part number of 9622 0804 3, these ramps are a reliable and sturdy option for safely lifting and positioning vehicles during automotive services. Dimensions: 35.5” L x 12” W X 8.5” H