For sale, a stone grinder made of 5mm iron with double hardened steel blades. Fine grinding. The motor is a large-sized drill for strong movement. Easy to transport + a strong stone pestle + an HP acidity testing device + an original quarter-kilo crucible + 2 Indian crucibles (medium and small) + a very strong neodymium magnet (quarter palm size) + tweezers + 2 plates + approximately 4 beakers + a scoop + approximately 5 liters of hydrochloric acid + approximately 10 liters of nitric acid. All for a bargain at 2500 riyals.