This is a DAC Gunmaster Universal Rifle Cleaning Rod and Kit. For .17 and .22 caliber pistols and rifles. Works well on air guns also. Kit includes: (1) set of three brass rods (.17 cal. diameter), (1) .17 cal. wire brush, (1) .22 cal. brush, (1) .17 cal. jag, (1) .22 cal. slot tip, a brush adaptor for .22 cal. & larger brushes, a polishing cloth and a box of cleaning patches.