Clamp Worm Drive3-4 2pk

2 packs of 4-inch stainless steel metal worm clamps used to securely attach and seal duct pipe or hose. Chrome-plated all-metal construction that is adjustable with a screwdriver to securely fasten the clamp. Stainless steel construction to prevent rust from setting in. The product is oversized for easy fit on 4-inch diameter duct pipe and hose.