Reloaders rely on their powder scales to accurately weigh safe powder charges and check the charges thrown by their powder measures. Correct readings are essential to safe reloading. The RCBS Deluxe Scale Check Weight Set is ideal for the handloader who wants to have the ability to check a scale across its entire range. This is particularly important for shooters who sort bullets or cases. Over time grit and dust can accumulate on powder scales which can alter accuracy. With this check weight set reloaders can easily see if their scale is measuring properly.