HCL's Quick Release Worm Drive hose clamps offer a tilting Worm Drive housing. These quick release hose clamps are ideal for rapid application and removal, especially for large diameter pipes and hoses. Often used in the HVAC industry to attach flexible ducting. Quick Release Hose Clamps come in 9mm or 12mm band width. The 304 Stainless Steel version offers increased corrosion protection.