Keep laundry within reach and sliding smoothly with the 5" Clothesline Pulley. Its rust resistant finish and UV-inhibitor extends the life of your pulley. Made from durable polypropylene, a plastic polymer with superb tensile strength (it resists wear and tear!) and weather resistance, this wheel will really have you going in circles.Rust resistant finish. UV-inhibitors for extended life. Polypropylene wheel resists wear and tear due to weather exposure and use. Dimension - 5".