Rectangular Refraction Glass Block, 75 x 50 x 12mm

Not a good product

The blocks came cut differently, there were no two that were the same size, cut square or not damaged. I ordered 40 for a project that needed 28 and I ended up still being short and using imperfect items. Some blocks were not square in the slightest and others were a full 1/4" square smaller. Extremely disappointed. When I called the company I was put on hold and never got to speak to someone.

For an Aquarium Project.

I Silicone Glued them to the Euro-brace on an Aquarium to support a Glass Top.