These parts are a new reproduction of the originals. The originals have deteriorated with time, as they are very old.
 
This is for a set of four screws.
 
The part number is used for reference purposes only, and no source of manufacture or supply is implied. The price includes  sales tax. If you want additional insurance coverage, contact me before ordering. If you do not purchase insurance, I am not responsible for mis-delivered packages, lost packages, or shipping damage.