FONTANA has a new, patented lifting-lowering linear-rotation mechanism for position-free changing, synchronous extension and retraction of the integrated heavy table top extension elements of natural stone. In addition to the easy reduction and extension possibility Draenert sets with the minimization of the installation space for a maximum of legroom for the consumer. Draenert offers a huge selection of natural stones (over 180 stone types from all over the world available in stock to choose from) and solid wood types, rectangular and trapezoidal table tops and 2 base types (four-leg, side walls). 200 x 105 cm and 80 cm extension.