National Hardware N301-192 Smooth Rod, Cold Rolled Steel, Plain, 1/2" Dia x 36" H Misc Switches 4" round duct collar with

4" round duct collar with a plastic damper protects against back drafts and ensures quiet operation

Double Flute - Laminate Flush Trim

Unique down-turned shaft geometry for maximum impact resistance

lightweight steel handle adjusts for extra reach

U-shank fits DEWALT and other universal shank jig saws

National Hardware N301-192 Smooth Rod, Cold Rolled Steel, Plain, 1/2" Dia x 36" H Misc Switches 4" round duct collar withHighlights: Series: 4055BC Size: 1 2" Dia x 36" H Material: Cold Rolled Steel Finish: Plain For Fencing, Supports, Railing, Sign Posts, Frame Work And Other Industrial Applications Excellent forming and welding characteristics Cold rolled products have a higher yield strength, hardness and tighter specification than hot rolled steel ASTM A510