Hoppe's 9 Field Kit with Cleaning Mat. 223 Chamber Brush Phosphor Bronze Brushes (.22 9mm .40/10mm .30 .45) Patches Cleaning Picks. Specifications for Hoppe's 9 Field Kit w/Cleaning Mat: Manufacturer: Hoppe's 9 Projectile Caliber: Universal Pieces: 14 Gun Type: Universal Kit Contents: Range kit bag 23 x 19 Advanced Cleaning Mat (folds to 10 x 11 ) Multi-Section Cleaning Rod Phosphor Bronze & Nylon Utility Brushes .223 Chamber Brush Phosphor Bronze Brushes (.22 9mm .40/10mm .30 .45) Patches Cleaning Picks. Package Contents: Hoppe's 9 Field Kit w/Cleaning Mat Hoppe's 9 FC4: Field Kit with Cleaning Mat