Easy Turn Thumb Screw Metal Clamp, Adjustable 3-4 1/2” Diameter, Ideal For Dryer and Plastic Vent Ducts, 2 Pack (Easy Turn Clamp)
Brand: Qualihome
Stainless steel band and housing
Ideal for attaching clothes dryer duct
Thumb screw makes rotating easier, no need for a screwdriver
Easy to tighten, No tools Needed
Ease and quick installation