Pro Tie quick release worm drive hose clamps are precision made from stainless steel to provide dependable and long lasting use. The quick release mechanism makes it easy to install on hoses that are already installed and can't be removed or in very tight areas. The 1/2-Inch wide band provides an excellent seal with a variety of hose materials. The hex head (Allen) screw makes it easy to tighten the clamp in confined areas. All stainless steel construction provides superior corrosion resistance. Pro Tie hose clamps will work on a variety of applications from home use, auto repair, marine, plumbing, farm, ranch, and industrial.