Replying to NEED LOOK PX 18 BINDING SCREW ASAP, PLEASE HELP!!!

ok so iv lost one of the heel piece screws for my look px 18s (the long one that goes through the little metal piece on the side of the heel piece)

if anyone has one spare pleaseeeee sell it to me, im off skiing in a week and none of my local shops have one!

will pay you nicely for the one screw ha! i need it so bad!

(im in the uk btw)

PLEASE HELP NS!