Non-reflecting matt gray base board with printed fine grid. Feet adjustable in height. Spirit level in column base. Extra-wide and extremely vibration-resistant column of dull black anodized aluminum tubing with cm and inch scales. hand-cranked, rack-and-pinion height adjustment, additionally counter-balanced by a built-in scroll spring. Additional fine drive with 1:6 step-down transmission for super-fine adjustment. Locking screw prevents inadvertent changing of the adjusted height.
