Check the listing for details. 150x150x8MM Stainless Steel Optical Experiment Plate Workbench Breadboard. Condition: New. Listed at 169.00 USD. Description:High permeability optical plate, Stainless steel plate, With magnetic force, The precision is higher than that of ordinary optical plate, The magnetic base can be fixed,As an example, it can be used in optical experiments, Medical experiment, Production and testing of precision instruments, The carrier of aerospace experiment, etc, Because of its high stiffness and low mass ratio, It can improve the precision of experiment, The function of providing a solid installation platform, Easy to fix and install the accessories, The panel is made of high permeability stainless steel (430), Surface roughness: 0.8μm～1.6μm, Repeat positioning accuracy: +0.05mm, The surface does not rust , Ensure the cleanliness of the laboratory;Specification:Product name: Stainless Steel Optical Experiment PlateSize: 150x150x8MMAperture: M6Hole spacing: 25x25MMMaterial: 430 series high magnetic permeability nickel alloy stainless steelSurface treatment: sandy surface treatment, smooth and flat surface, beautiful and durableFlatness: error