The Deflect-o 4 in. Metal Worm Drive Clamps (2 pack) feature a heavy-duty adjustable mechanism for a secure fit over duct connections. These clamps are oversized for an easy fit and adjust with a turn of a screwdriver.
- Secures duct connections
- Metal construction
- 4 in.
- Adjusts for use with 3 - 8 in. diameter duct