Fits models:

• Arrow T50, T55, ET50, T55C, ETF50, ETF50P, ETC50, ETC50C, ETN50, T50PBN, ETF50PBN, HT50A/50P
• Powerfast (Swingline) 10401
• Stanley TR100, TR60, TR85, TR200, TRE200, TRE500, 69.500, 69.550
• Craftsman 68434
• Powershot (Black and Decker) 5700, 2000E, 3000E, 4000E
• Master Mechanic 5600MM, 5650MM, 5700MM, 5800MM, 5850MM, 5900MM, M5000, M5500, M5100, 345694
• Surebonder 5600,5650,5700,5900
• Do It 5600HWI
• Unifix MS15, MS35V, MS 50V

All No.4 Heavy Duty Staples are sold in packs of 1250 staples.