Stainless steel picks help to clean stubborn areas on your firearm. Great way to remove the harmful materials from your gun. The kit contains. 223 cal brass brush. 223 cal chamber brush. 223 cotton chamber brush. 233 nylon chamber brush. 22 brass slotted tip. 30 cal chamber brush.30 brass brush. 30 cotton . 30 nylon brush. 30 brass slotted tip, 2 stainless steel picks, and 1 nylon brush,5 sections rifle rods, and 25 pcs clean patches.