Hammer Strength premium urethane dumbbells are made in the US and offer superior durability with an injection-molded exterior and high-grade steel. Precision machined handles and high-grade steel heads, protected by the industry’s best materials for nearly indestructible performance. Pressed and welded handle to head Head Type: 12-sided anti-roll Handle Style: Flared, hard chrome plated Handle Diameter: 1-1/4" up to 27.5LB 1-3/8" for 30LB and above Sets sold in 5 LB increments Warranty: 7 Years *Sets arrive in 5-7 weeks *Singles ship in 1-2 weeks