Tight plus or minus 5% tolerance. 0.047uF is the value traditionally used for single coils, but again, it's down to personal choice!
Mylar Tone Capacitors BULK BUY, GREAT VALUE +/- 5% 0.01uF, 0.022uF or 0.047uF
5x Electric Guitar Tone Capacitors Mylar Greenie 33nF 0.033uf (2A333J)
5x Electric Guitar Tone Capacitors Mylar Greenie 47nF 0.047uf (2A473J)
10 Pieces Guitar Capacitors Tone Capacitors Electric Guitar Bass Parts PP Metal
1x Guitar 0.022uf Mylar Tone Capacitor 223J S630V Electric Guitar & Bass
1x Guitar 0.047uf Mylar Tone Capacitor 473J (630v) Electric Guitar & Bass