M-D Silver Satin 1-1/4 In. x 3 Ft. Aluminum Seam Binder
Aluminum. Screw nails included. Carpet metal installation on concrete surface suggestion: Drill a hole in the concrete, insert a 3/16' x 1-1/4' or 1/4' x 1-1/4' wood dowel. Use the screw nails provided with carpet metals, insert into dowel, expanding the dowel to lock in place.
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M-D Building Products Screw Nails for Carpet Metal – 1-1/4″ (12/pkg) Silver Color