Genuine Metabo HPT nails and staples are manufactured at higher standards for material and workmanship to help eliminate downtime,so you can work more efficiently. TYPE: 1-1/2" x 1/4" 18 Gauge Galvanized Narrow Crown Finish Staples FITS: Most 1/4" narrow crown staplers COUNT: Approximately 1,000 nails per box LENGTH: 1-1/2" x 1/4" 18 Gauge COATING: Galvanized : Compatible with the Metabo HPT N3804A5 and N3804AB3.