If you are looking for a leak-proof pipe sealing option, then the Breeze Power-Seal Stainless Steel Hose Clamp Worm-Drive SAE Size 12 is a great choice. The 4-piece housing gives strength to the clamp. Stainless-steel construction eliminates the risk of corrosion.Features Highly stable 11/16" to 1-1/4" diameters Specifications Material Type: Stainless Steel, Shape: Worm Gear, Pack: 10, Size: 11/16" Application: Hoses Top Width: 1/2" Quantity: 1 Part Number: 64012H CC