The Hoppes No. 9 Boresnake Snake Den 20 Gauge Shotgun Pull Thru Bore Cleaning Rope is possibly the fastest bore cleaner on the planet. With one pass the integral bronze brush will loosen particles, scrubbing the bore while the long thick rope swabs it clean. The Bore Snake is strong and durable. You can use it in conjunction with solvents or oils and it's completely machine washable. It's ideal for pre-cleaning, a quick clean at the range or in the field, or even post cleaning before you store your firearm away. Every shooter needs a Boresnake in their bag of tricks. The Snake Den takes this innovative product even one step further! This is a convenient reusable carry case for your Boresnake. The lid of the Snake Den acts as a pull handle to give you additional leverage and speed when you employ the Boresnake.