Product HighlightsThis type of fastener mechanically attaches itself to the duct work. The most popular style is a hardened nail with an attached washer. This fastener is impact driven through the liner and forms a positive mechanical grip with the metal. You want to use with 1/2" insulation.
California residents: see Proposition 65 Warning
Weight 5.00 Pounds Length 9.00 Inches Width 5.00 Inches Height 7.00 Inches Country of Origin USA Brand Duro Dyne Galvanized No