Hoppe's No. 9  3-Pack Brush/Swab Kit, .357 Caliber/9mm Pistol The Hoppe's No. 9 3-pack brush/swab kit includes cleaning swab, Tornado brush and Phosphor Bronze brush Hoppe's cleaning swabs are 100% cotton Special spiral-wound design that's highly effective for cleaning bores The Phosphor Bronze brush is most effective on lead Hoppe's Cotton Swabs are soft and will not scratch smooth shotgun bores The Hoppe's No. 9 3-pack brush/swab kit includes cleaning swab, Tornado brush and Phosphor Bronze brush Hoppe's cleaning swabs are 100% cotton The Tornado brush has a special spiral-wound design that's highly effective for cleaning bores The Phosphor Bronze brush is most effective on lead Designed for use with .357 caliber/9mm pistol