1/2-in x 1/4in 18G Staples 18 Gauge Electro Galvanized Finish Staples Staples provides excellent holding power in most sheathing, pallets and crates 1,000 per box 1/4 in. x 1/2 in Electro Galvanized, coats the staples with a layer of zinc, for greater rust resistance Compatible with the Metabo HPT N3804A5 and N3804AB3 Metabo HPT 1/2-in x 1/4in 18G Staples