ACCO #3 Brass Plated Paper Fastener, 3/4 inch capacity with 5/16 inch head, 400 Pack Size: 3/4 inch, Model:71703x4, Office Accessories & Supply Shop Brass plated fasteners are a great economical alternative Finish protects against corrosion Can be paired up with a washer for maximum durability Box of 400 brass fasteners 3/4 capacity, head diameter 5/16