All-in-One Cleaning Set: This kit includes a 4-in-1 cordless brush double head and pipe cleaners, available in 15 mm and 22 mm sizes, to cover all cleaning needs. Easy to use: Ergonomic hexagonal handle improves grip stability, while fine steel bristles withstand high torque and heat for effective maintenance. Reliable and durable: Made from sturdy metal, this copper pipe cleaner delivers solid performance for private and industrial applications and is built for longevity. Industrial-ready: Ideal for automotive, manufacturing, and machining tasks that require thorough cleaning of copper pipes before welding. Use scenarios: - Pre-welding cleaning of copper pipes in automotive, manufacturing, and machining projects. - Thorough pipe Cleaning in workshops to prepare copper tubing for joining. - General maintenance in private or industrial settings where copper tubes must be cleaned before processing.