Metric Honeycomb Optical BreadboardsBase Lab Tools offers a full array of metric sizes of Honeycomb Optical Breadboards. Stocked as small as 300mm x 300mm" up to 1200mm x 1500mm. We can also fabricate your custom requests, in most cases 2-3 weeks. Use our fast & easy Custom Honeycomb Breadboard form to submit you drawing. Utilizing our large format CNC machines & our expert fabrication team, we can build the breadboard you require.