The Pit Pal 389 3-Tier Kart Tire Storage Rack holds 11" diameter kart tires securely in place during travel and keeps your shop floor neat when used at home. The powder-coated and zinc yellow-plates tubing telescopes in a range of 32" to 48". The side plates are constructed of .125 aluminum. Made in the USA. Measures 48"H x 13"D.