Spraying Gear knob inserts

[floss]

I have removed my gear knob insert as it is very scratched and i would like to spray it, i have seen that people have done this before however how do you keep the numbers on??
Thanx

 

[powey]

get a new decal

 

[loz180691]

i just order 1 myself...new sticker 2.99 off ebay