Crafted from nearly indestructible, super-tough Lexan material, this case tumbler is built to withstand the rigors of regular reloading use. Designed to fit most cartridge cases ranging from .22 to .45 caliber, it offers a reliable solution for cleaning and prepping your brass. The anti-static properties of the tumbler prevent powder from sticking, ensuring a cleaner, more efficient process. However, it is important to note that this tumbler is not intended for use with black powder. Durable and practical, this tumbler is an essential tool for reloaders looking to maintain the cleanliness and functionality of their cases.