American Barbell Series IV Urethane DumbbellsThe all new commercial grade Series 4 dumbbell has a black textured urethane head, easy to read number increments in gray and a high quality construction all at an affordable price point. This dumbbell features a solid steel core, medium strength hard chrome plated handle, and a high grade urethane head. A larger radius on the outside and inside edges make this dumbbell comfortable to use in any exercise, specifically when the dumbbell comes in