The Brownells brass precision-engineered cleaning accessories designed for use with the Lewis lead remover system. These patches are specifically tailored for 12 Gauge and 20 Gauge shotguns, ensuring optimal compatibility and performance. Each patch is constructed from high-quality brass, providing durability and effective lead removal from shotgun barrels. The pack contains 10 patches, offering a reliable solution for maintaining the cleanliness and functionality of your firearm. Ideal for both professional gunsmiths and firearm enthusiasts, these brass patches facilitate efficient maintenance, contributing to the longevity and accuracy of your shotgun.