Set of 6
micro-lightabers pop rivets, 3×12 mm for various ESB, TFA or TLJ Graflex sabers. Hole size: 3mm, head size: 6.0mm
Or choose 6x4mm, hole size: 4mm, head size: 7.8mm for an ESB Kobold clip for example, just in case you need some extra.
Check the Graflex TFA blueprint here.