The JR Products GSNI-5300-20 Gas Spring is a 20" extended length, 20 lb load capacity spring made of steel. It features a socket upper and lower mounting style, with a compressed length of 11.41 inches and a travel length of 6 inches. This gas spring is suitable for use in RVs, trailers, and campers, offering a reliable and durable solution for supporting and lifting heavy loads. It comes with a manufacturer warranty and is designed by JR Products, a trusted brand in the industry.