"The Breakthrough Clean Technologies Suppressor Cleaning Kit includes everything you need to quickly and effectively remove tough carbon deposits and fouling from your suppressor. The 16-oz. bottle of Suppressor Cleaner works with the soaking tube for complete submersion of suppressor parts for thorough cleaning and leaves no residue behind. 2 brushes help reach hard-to-clean areas to remove stubborn fouling and carbon buildup. The retrieval tool helps submerge and retrieve the suppressor from the soaking tube. Fits suppressor up to 8.5"" long and 2.375"" in diameter. Kit includes a 16-oz. bottle of Suppressor Cleaner, a soaking tube, 2 brushes, retrieval tool, and storage tray. Note: Prolonged contact with Cerakote, anodized, nitride, or other post-factory finished metals may cause discoloring. Test a small area to ensure product will not harm surfaces first. Works with suppressors up to 8.5"" long and 2.375"" in diameter Suppressor Cleaner solution removes tough carbon deposits and fouling Soaking tube allows suppressor to be full submerged for easy cleaning 2 brushes allow you to clean hard-to-reach areas"