GLASS / OPTICAL BLOCK RECTANGULAR

Made of clear glass. All sides polished. The block vary in sizes:

Glass / Optical block rectangular 100x60x18mm : AA-B0022
Glass / Optical block rectangular 114x62x14mm : AA-B0023
Glass / Optical block rectangular 115x65x18mm : AA-B0024
Glass / Optical block rectangular 140x70x18mm : AA-B0025