SHOT & POWDER MESURE KIT Part # Measkit012, Measkit020, Measkit028, Measkit410 Each time you change to a different type or lot of powder, it is very important to check the drop. These kits allow for the measuring of either shot or powder without interrupting the reloading operation. Available in a Four-Gauge kit (12, 20, 28 and 410) or as a Single Gauge kit.