Including:

  • OG590 coloured glas Schott
  • RG630 coloured glas Schott
  • VG9 coloured glas Schott
  • BG7 coloured glas Schott

Dimension: 50 +/- 0,2mm x 50 +/- 0,2mm
Polished
Thickness +/- 0,2mm