These Polished w/ Black Logo Industrial trucks have a 4.75" hanger and a 7.5" axle. Industrial skateboard trucks are known for being some of the most reliable trucks on the market, and won't let you down. Industrial Skateboards IV Polished w/ Black Logo Skateboard Trucks - 4.75" Hanger 7.5" Axle guarantees a stellar ride, provided you're a stellar rider.