TheOHB100 SERIES OPTICAL PLATFORM are used in optical physic trial,measure and the optical facility.We can produce thedifferent sizes and modle optiacal solid breadboards for the university or college physic trial education project.Also Photoelectric institutes from all over the world need our procuct. Specifications Thickness: 50mm/100mmSurface Flatness: 0.08mm/600mm2Core Design: 25×25mm arrayAperture: M6Model Working Surface(mm)Thickness(mm)OHB101 300×30050OHB102 300×60050OHB103 300×90050OHB104 300×120050OHB105 600×60050OHB106 600×90050OHB107 600×120050OHB108 900×90050OHB109 900×120050OHB110 900×150050OHB111 900×180050OHB112 900×200050OHB121 900×1200100OHB122 900×1500100OHB123 900×1800100OHB124 900×2000100OHB125 900×2400100