Pro fixed gym bar 36'' between inside collar, bar diameter 1 1/16'' Choose from size 1 through 7, sold as 1pc Hold 1-7 pairs of cast iron 1" plates (2.5, 5,7.5,10#) Durable bar good for both commercial and residential use No shipping to Alaska, Hawaii, APO/FPO addresses or PO Boxes The Pro-Fix gym bar is a versatile and durable piece of fitness equipment. It has a 36" distance between the inside collars and a bar diameter of 1 1/16". Available in sizes 1 through 7, each bar is sold individually. It can hold 1 to 7 pairs of cast iron 1" plates, with weights ranging from 2.5, 5, 7.5, to 10 pounds. This durable bar is suitable for both commercial and residential use, making it a great addition to any gym or home workout space.