Added counterweights ensure a safe installation and use. The enamel steel boards feature hinges developed by Vogel's. As a result, the whiteboards do not spontaneously open, even after frequent use.Easy to installThe adjustable hinges on this accessory set allow you to vary the depth, height and width so that the whiteboards always fit the display, whatever display you are using.Turn a display lift into a comprehensive solutionVogel's whiteboard sets come in different sizes, 65", 75" and 86" and custom made for use with a trolley and floor stand, or floor-wall solution.