Powernail PS1755 15.5 Gauge 1-3/4 Inch Length 1/2 Inch Crown Hardwood Flooring Staples (Box of 1000) PowerStaples are the flooring industry's premium grade flooring staples. Made of Cold-Rolled Steel and featuring incredibly sharp Chisel points, these staples will drive through the hardest species of hardwood flooring. These staples are perfect for the Pro or DIYer with large or multiple projects.