images provided for illustrative purposes only
ASTM E112 Plate 1 Grain Sizing Disc
Eyepiece Reticle with Grain Sizing pattern to ASTM E112. Circular pattern with segments to represent various grain sizes.
G42
£149.63 - £178.11
Thank you for your quote request, we will be in touch shortly.
19mm
Soda Lime 1.5mm thick
+0/-0.1mm
Correct reading through glass