Ball Mills from Skylighter.com http://www.skylighter.com/ Pyrotechnic supplies shipped everywhere in the US including, digital pocket scales, mallets, mortar and pestle, ball mill, aluminum rods, and awls. Ball Mill, 6-Pound Weight Capacity http://www.skylighter.com/ball-mill-6-pound.htm This product allows its user to create approximately 4 ounces of high quality black powder in 2-3 hours suitable to any type of firework. The mill comes with two mill jars, but only one can be run at a time.<br /><br /> <a target="_new" href="http://www.skylighter.com/fireworks/how-to/ball-mill.asp" rel="nofollow">Ball Mill instructions here.</a> 1/2-Inch Hardened Lead Ball Mill Media http://www.skylighter.com/lead-milling-media.htm Our 1/2-Inch Hardened Lead Balls are harder than any other lead milling media. For the correct quantity needed for the 6-pound ball mill, buy a 5-pound bag of these lead balls. Pocket Scale, 333 Gram Capacity http://www.skylighter.com/pocket-scale-333-gram.htm Our pocket scale already comes with batteries already installed. Very easy to use. This product weighs in grams, ounces, and penny weight. Weighs up to 333 grams (or approx. 8 ounces, 1/2 lb.). Scale, 7000 Gram (15.5 lb.) Capacity http://www.skylighter.com/digital-scale-7000-gram.htm This digital scale comes with batteries already installed. It can weigh up to 7000 grams. Very easy to use. A/C Adapter for TL5030 Scale http://www.skylighter.com/mall/product-details.asp?id=1016