Octagonal mortar and pestle sets feature highly polished grinding surface. Made of naturally hard agate stone (6.5 on Moh's Scale). For use in laboratories demanding contamination-free results. Additional Info: Mortar & Pestle Set, Agate Stone, 300 Ml Package Size(L x W x H): 3.5 X 6.5 X 8.5 (IN) Categories: Mortars & Pestles, Dishes HTS Code: 6802.92.0000 UNSPSC: 4.11017e+007 Country Of Origin: INDIA