This bag contains lead milling balls, perfect for fine milling and grinding media. The balls are spark-free and come in a quantity of 50. The brand, PresidentGold.Net, is located in the United States and is known for their high-quality metalworking supplies. These lead balls are made to mill fine powders used in various applications. Do not mill material harder than lead for it will erode the lead. Milling should be at a slow speed to prevent erosion of the balls. Balls are dimensioned in inches.
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