RCBS Deluxe Scale Check Weights 510.5 Grains
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Over time accumulated grit and dust can affect accuracy. A quick test with RCBS Scale Check Weights will tell you if your scale is reading correctly. Comes in a plastic box with a pair of forceps (for handling the weights). Contains the following grain weights, 1-200, 2-100, 1-50, 2-20, 1-10, 1-5, 2-2, 1-1, 1-1/2.