20 x 20cm Plain Glass Plates 2mm thick (
https://www.minos-euro.net/shop/166-vs20pg-20-x-20cm-plain-glass-plates-2mm-thick-9871
https://www.minos-euro.net/web/image/product.template/9871/image_1920?unique=1e82431
This x 20 is guaranteed a 20cm with the use of Glass and directly supplied to your lab by Gentaur's warehouse.
Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days