Adjustable Height Aluminum Gantry Cranes are designed for everyday use. Aluminum gantry cranes are recommended for production, installation and maintenance service where portability is required. Depending on the capacity, the gantry is equipped with phenolic or poly coated heavy duty swivel casters. All caster types feature roller bearings for ease of movement and grease fittings are included for ease of maintenance. V-Groove and flanged wheels are also available upon request - call for information. FOB Shipping Point.