The Brush Research BRM-V861 V-8 & 6-1 Copper/Injector Cleaning BRMV8-6-1 is a high-quality brush cleaning tool that is perfect for cleaning copper and injector valves. This tool is made from durable materials and features a precision-ground copper brush that is designed to remove deposits and debris from valves. The BRM-V861 V-8 & 6-1 Copper/Injector Cleaning BRMV8-6-1 is also equipped with a 6-1 injector cleaning tip that is designed to remove deposits and debris from injectors.