Cleanbore gun bore cleaner with built-in brush and weighted cord, just drop the cord down the bore, and pull it through, its that easy. The barrelsnake has no exposed metal to damage the rifling or crown of your barrel. The Cleanbore is an excellent product to use at home, at the range or in the hunting camp. Can be washed and reused. All calibre snakes are the same price. 1) 24031; 410g 2) 24034; 16g 3) 24035; 12g 4) 24036; 10g Rifle and Pistol boresnakes listed separately. * I can courier as many boresnakes in the calibers you want for the one courier cost.