Pair 15 lb Black Rubber Coated Hex Dumbbells Weight Training Set 30 lb Fitness High Quality Design: Weights stay tight and do not detach, rubber coating will not damage floor or other surfaces Materials: Solid cast iron, chrome plated handle & rubber coated weights Versatile: Designed for use with curls, lifts, squats, press, and more Safe: Flat hexagonal surfaces will prevent rolling and knurled handle prevents slipping Durable: No maintenance required, long lasting finish prevents rust