Anchor's 7/16-Inch medium crown stainless steel senco-style 16 Gauge sheathing staples come 10,000 per box. These staples fit in the following tools: Spotnails MS6650i, XS6650, XS6650A, HS6616, JS6616, HL6616, Senco M1, M2, M2+, SNS45, SNS40, SNS41, SNS44XP, SNS45XP, SNS50, SKS N12-N17, Duo-Fast DS-7664, MS7664C, KS7648, DS7656P, DS7664P, 100/65, Hitachi 5008AB/AC, Porter-Cable MS200, Jamerco, JTSN165 1-Inch to 2-Inch, Fasco F4 PG-50, F45C G-55, R3 CG-40CT, R4 PG-50CT, DeWalt D51430, Max TA551/16-11