HFS (R) Heavy Duty Multi-Function Stapler Manual with 300 pcs of 5/16" Free Nails Easy Stapling work for Home Or Office use with Pressure Adjust Knob Pack with 300pcs of 5/16"(8mm) Free Nails Work with 1/8"(4mm); 1/4"(6mm); 5/16"(8mm) ; 3/8" (10mm); 1/2"(12mm); 9/16" (14mm) nails