The VIS-ES-24 is compatible with both English and Metric Vision Isostations. It is 24 in. deep, straight extension shelf provides a spacious, non-isolated work area to use for documentation, sample preparation or component assembly. The extension shelf mounts directly to the Vision IsoStation corner brackets and has both attachment point and level height adjustment to match the height of the floating breadboard and also compensate for any floor irregularities. The top surface features a durable black laminate finish that improves visual contrast for finding the smallest of loose objects like lenses, optical fiber or tissue samples.p straight extension shelf