CAP Barbell's 150 lb Dumbbell Set includes a pair of 5 to 25 lb cast iron hex dumbbells in 5 lb increments for a total of 150 lbs. The hex dumbbells are made of solid cast iron and hexagon shaped heads prevent the dumbbells from rolling. The set also includes a two tier dumbbell rack made of solid steel construction to keep your weights organized and off the floor. The perfect weight set for home use. Warning: This product contains one or more phthalate chemicals known to the state of California to cause birth defects and other reproductive harm. Consumer may return the product for a full refund, including shipping cost for both receipt and return of the product within 15 days of his or her receipt.