The RCBS Little Dandy Handgun Powder Measure is great for handgun shooters and select small-caliber rifle reloaders. There are 28 interchangeable fixed charge powder rotors available (sold separately) that measure volume of powder for a very efficient powder charging process. The measure functions with any popular smokeless powder and there's no readjustment needed after rotor change over. May be used hand-held or bench mounted with the optional powder measure stand. Powder Measure Stand and Powder Drop Tubes sold separately. Notes:Will not work without a powder rotor.There are 28 interchangeable fixed-charge powder rotors available which are suitable for loading any popular powder in up to 400 different load combinations.Rotors are not included but are sold individually and not available as a kit.