Product Description 1. Grind Rock & Ore Must-have: The mortar and pestle set is an ancient tool and durable. Deeply rounded well keeps ingredients from jumping out. Very effective at grinding rocks and ore.Traditional look with a nice solid feel. 2. Internal Grinding Design: Unlike other mortars, mortar and pestle are made of heavy duty cast iron, strong and stable. The inside of the mortar has been polished many times.The grinding capacity is 3-4 times that of ordinary Mortar & Pestle. .
