Scaling a digital image is mandatory in order to assure the highest level of accuracy throughout the planning process. The Akucal is the best selling scaling tool in the world and is trusted by the best. Functionality, durability, sanitation and passion for perfection come standard. The Akucal EVO Suction™ is the predecessor of the most versatile and best selling calibration stand on the market. A suction base allows for use on both horizontal table tops AND on vertical wall bucky boards making this stand a single source solution for all scaling needs. A patent pending radiolucent sphere holder and sphere size indicator unit ensures perfect visibility of the sphere in the image as well as the sphere size. Simply place the suction base near the area of interest and use the flexible arm to position the marker at anatomy level. Please be advised that a smooth flat surface is essential for best results.