Check the listing for details. RCBS Uniflow Powder Measure MISSING LID. Color: Green, Condition: Used, Made in United States. Listed at 49.00 USD. Missing lid The RCBS Uniflow Powder Measure is a portable powder measure designed for reliability and accuracy in reloading tasks. Made from a combination of plastic and steel, this green powder measure is specifically designed for measuring powder in grains. With a length of 12 inches and originating from the United States, this model is perfect for hunters and reloading enthusiasts looking for a quality powder measure to enhance their practices.