Weights 1 G and above are carefully manufactured of Stainless steel and are Cylindrical in shape for easy gripping. Weights 1 G to 100 G are of one-piece construction and are adjusted during manufacture by removing Material from the bottom of the weight. Weights 200 G through 2 kg have an adjusting cavity on the top that is sealed with a plug. Economical Stainless steel weights 1 G and above are perfectly flat on top to stack easily on center. Weights 500 mg and lower are made of sheet metal and are one-piece construction with one side turned up to make them easy to handle with Forceps. 500 mg and 200 mg weights are made of Stainless steel while weights 100 mg and below are made of aluminum. Standard economical Stainless steel weight sets are supplied in rugged, attractive foam-lined or molded compartment polypropylene cases with a carrying handle. Weights 200 G and above have their own compartment within the dense foam interior case. Smaller weights are contained within a smaller polypropylene case that fits into the larger carrying case. This "case within a case" design helps keep smaller weights from getting lost and also allows smaller weights to be taken out of the Master case and used closer to the users application.