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Lambro Industries - 2841 The Lambro 4 inch galvanized steel worm gear clamp is ideal for attaching semi-rigid and rigid ducts to vents, exhaust outlets, connectors, elbows and other various connections. These clamps easily adjust using a hex or flat head screwdriver to secure the connection point. It is recommended to use a manual screwdriver to avoid over tightening and stripping the screw.
Features- Retail polybag and cut case
- SAE size 64
- Easily adjustable using a hex or flat head screwdriver
- Adjusts from 3-1/2 inch to 4-1/2 inch
- Made of galvanized steel
(2) 4 inch galvanized steel worm gear clamps
