Atoma Japanese Adjustable Stone Holder / Rubber Base

Made by Tsuboman of Japan, this high quality and easily adjustable rubber base is the perfect holder for Atoma diamond plates and many other types of sharpening stones.
With a few turns of the well-machined knurled adjusting nuts the 70mm (2.75") wide grippy rubber base adjusts to grip stones from 180mm (7") up to 215mm (8.5") long and is well suited for staying put on wet surfaces.