LAMBRO 2841 WORM GEAR CLAMP, 4 IN DUCT, CLAMPING RANGE: 3-9/16 TO 4-1/2 IN, STEEL

These clamps are made up of zinc-plated steel and are ideal for the installation of most home and industrial dryers. Their unique design allows for easy-to-tighten convenience. Clamps can also be used on most bath fans and other applications. It is recommended to use a manual screwdriver to avoid over tightening and stripping the screw.

• Easily adjustable using a hex or flat head screwdriver

• Adjusts from 3-1/2 inch to 4-1/2 inch

• Made of galvanized steel