Hoppes Utility Brush Phosphor Bronze. Shooting Sport - Devoted hunters often work with limited access to cleaning supplies. Hoppes Gun Cleaning Utility Brushes are built with quality performance and innovation - for those with a passion for gun cleaning. Hoppes creates brushes to meet the unique needs of the shooting sports. For those with an appreciation for the finest things in life Hoppes offers the finest Nylon Cleaning Brushes and Phosphor Bronze Gun Cleaning Brushes. Hoppes Synthetic Coated Nylon Cleaning Brushes are double thick high density round filament Nylon and double thick Phosphor Bronze round filament. Hoppes Thread Protectors - firearms can be threaded onto Hoppes Coated Nylon Cleaning Brushes passing them through Hoppes Ultimate Gun Cleaner Pens with the threads still attached. Hoppes Cleaning Brush Holders - Gun cleaning tools that hold Hoppes Gun Cleaning brushes securely in place. Specifications for Hoppe's 9 Utility Brush: Manufacturer: Hoppe's 9 Gun Type: Universal Package Contents: Hoppes Gun Cleaning Utility Brushes - Nylon 1380 or Phosphor Bronze 1380P Hoppes Utility Brush Phosphor Bronze