You rely on your scale for safe accurate powder changes. 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. - Sets Include: - Deluxe set - 510.5 grains for bullets cases and powder - 1x200 2x100 1x50 2x20 1x10 1x5 1x1 1x.5 - 1 forceps