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 Color Not Provided Composition Not Provided Before Item Discontinued Gauge Not Provided Before Item Discontinued Size Not Provided Before Item Discontinued