Call Show Me Weights at 636-326-1885 for a QuoteThis is our Flagship Product engineered to meet the most demanding commercial applications. UMAX series Polyurethane Dumbbells are assembled in The USA with Patented Dual-Lock and Dura-Edge technology. The weight heads are solid steel encased in high grade cast polyurethane (CPU). The dumbbell handles are made of Heat-Treated Alloy Steel with Hard-Chrome finish. Domestic origin High Strength stainless steel handles are available for upgrade as well as custom logos. UMAX covers the following warranties for UMAX series dumbbells:6-Year Warranty against Loosening Weight Heads6-Year Warranty against Bent Handles6-Year Warranty against Structural Breakage6-Year Warranty against Urethane BreakageWarranty covers defects and covers damage from wear and tear under normal use