Yacoto Fastest Boresnake Shotgun Bore Cleaner 12 Gauge Cotton string  26.4in The black string50.4in The World' s Fastest Gun Bore Cleaner The worlds quickest 3-step bore shine, Cleans gun bores in 10 seconds Weight : about 30g~70g per different calibers of bore snake cleaners Almost all of my customers are satisfied with the quality of the products,Washable and reusable Grasp and pull the cleaning cord through the barrel, Multiple short brushes embedded in the floss pass easily through the shortest action or port.