Modern Suspension Systems , the leading supplier of heavy duty casters for aviation ground support, is now part of Demo-Xearch-XYZ . This brings together two of the highest quality lines in the caster business. Demo-Xearch-XYZ investments in engineering and manufacturing will enhance the Modern line, while building upon the high quality shock absorbing products customers have come to expect. Modern / Demo-Xearch-XYZ design and build heavy duty industrial casters for all industries and applications. With a full line of sizes and options, Modern offers “rust free” aluminum rigs for a lifetime of rugged applications. Features and benefits include: Aluminum shock absorbing casters Aluminum spring loaded casters Aluminum suspension casters Load capacities ranging from 50 to 25,000 pounds Wheel diameters ranging from 3 to 24 inches A complete line of polyurethane tread material options If we can answer any additional questions about the Modern line of rust free casters, or if you would like to discuss your particular heavy duty shock absorbing caster needs, please call 517-629-8838, email customercentral@Demo-Xearch-XYZ.com , or visit www.modernsuspensionsystems.com .