Heavy Duty Hose Clamps provided by us, is a hose fitting attachment that attaches to a nipple or barb. These devices are designed to aid in the sealing and stabilization of any hose configuration. Clamps, in the end, aid in preventing moving fluid from leaving around a design. Because Heavy Duty Hose Clamps impart consistent tension to the rubber hose, they are usually referred to as spring clamps. Spring clamps are used on cooling system hoses because there are no better or less expensive to use.