The PORTER-CABLE PNS18063 5/8-Inch, 18 Gauge Narrow Crown Staple; Features a narrow crown staple, 18 gauge galvanized coated, 5/8" length and 1/4" width crown. 5,000 staples per pack / 100 per stick. Designed to be used with DEWALT® D51420K, D51422K; Porter Cable NS100B, NS150B. Can also be used with HITACHI N3804AB, N3804AB2; SENCO: SKS, SLS18, SLS20XP, SLS25XP; and RIDGID R150FSA.