This is a set of screws for holding in the bellows frames from a 8x10 Kodak 2D camera, or perhaps Gundlach Korona camera, would work also for other cameras. Set of 12 for front and 12 for back frame. The front ones are around 7mm long, the back ones about 12mm.
$12 including US postage, or $15 international shipping. Paypal accepted.