Size: 100 x 50 x 13 mm weight: 101gr.
Density: xxgr./cm³ / Estimated grit size: fine (8K-10K)
Usage: only with water
Color: dark-grey to olive-green
Other names:
Synthethic Thuringian, Reform Thuringian
Producer:
JGES Kommanditgesellschaft E. Schwarz, Theuern
Continue reading JGES Wasserabziehstein Nr. 29 (100 x 50 x 13mm)