Wilson Combat 9mm Chamber Cleaning Tool Black. Unfortunately your 9mm/38 Super bore brush is the wrong diameter and is usually too soft to remove chamber contamination. You need a Wilson "Chamber Cleaning Tool". This tough little tool has a sturdy Delrin handle and very stiff nylon bristles to thoroughly clean your chamber. If you own a 9mm or 38 Super you need this little tool. Delrin handle Durable and reliable nylon bristles Base is interchangeable with the 803-45 brush Specifications for Wilson Combat 9mm Chamber Cleaning Tool: Manufacturer: Wilson Combat Color: Black Features of Wilson Combat 9mm Chamber Cleaning Tool Possessing the right tool for any job is vital to its success and little tool makes your next cleaning a breeze. Package Contents: Wilson Combat 9mm Chamber Cleaning Tool Wilson Combat 803-9: 9mm Chamber Cleaning Tool Black