Solid brass foot nails, 50 pieces as one packet, a bag uses 4-5 foot nail usually. We will send the screw with you too.
The size is:
small one(without screw): height 5mm, upside diameter 10mm, downside diameter 7mm.
large one(without screw): height 7mm, upside diameter 12mm, downside diameter 8mm.
The small one used on small bag, and large one use on large bag.