Anchor's 1-Inch Galvanized Wide Crown Senco-Hitachi Style 16 Gauge Staples come 10,000 per box. These staples fit in the following tools: Spot nails XS3640 1-1/2-Inch, XS3650 2-Inch, Senco MW, PW, PW-2-Inch, PW-R, PW200, SPS, SPS-RFR, Duo-Fast RS-1748, KW-1748, SW-1748, RNS-1748I, Hitachi N3824A, Fasco R3C SNW 38TL, F3C SNW-38R, Grex 2638, Craftsman 18307 Craftsman 18307, Omer WP.38.