Nuts and abacus!

I need both, as lost the ability to count, an ordered 15 steel wheel nuts for 4 x 5 stud wheels:doh:

The mafmetishans amongst ya will av worked out i'm 5 short, so does anyone have 5 they wanna sell? I can only find sets ov 20 on ebay, which i've managed to work out is too many

would appreciate any offers

they sell em as single at paddocks .....