*For installing carpet over wood floors and substrates
*Made of 3-ply, mill-sanded Douglas Fir plywood
*Hardened high-carbon nails pre-started to save time
*1" x 48" 1" Tack Strips are for installing carpet over wood floors and substrates. The strips are made of Douglas Fir plywood for strength and durability and feature pre-started hardened, high-carbon nails. The pins are set at 60-degree angles for a firm hold on the carpet.