The Black Widow Plastic Low Profile Car Ramps are designed for heavy-duty use with a maximum weight capacity of 10,000 lb per pair. Made from durable plastic, these service ramps offer a maximum lift height of 3 inches and are sold in pairs. Manufactured by Black Widow with a 1-year warranty, these ramps are an essential tool for automotive maintenance and repair, providing stability and safety for vehicles during service. With a California Prop 65 warning, users are informed of potential chemical exposure and advised to take necessary precautions. Imported from China, these ramps are a reliable and practical solution for various automotive needs.