Hooked Weight Set, brass These weights feature flat countersunk bottoms, with a double-ended hooked rod throught the middle. They can be used on balance pans, as well as hooked in tandem for lever arm studies. Set of 9 weights consisting of 1 each 10g, 50g, 500g, 1000g, and 2 each 20g, 200gram weights. Weights are made of polished brass and come in a storage block. Replacement weights are available separately. Weight set, hooked double-ended, brass, set of 9 weights. Qty :