Hoppe's 3-Pack Brush and Swab Kit includes a cleaning swab, tornado brush, and phosphor bronze brush. The soft, 100% cotton cleaning swab and can be used over and over again. Stainless steel tornado brush has a unique spiral-wound design that is highly effective for cleaning bores. The phosphor bronze brush can handle most cleaning jobs and has bristles that return to their original shape. The swab and brushes are all in matching .357/9MM caliber.