Tailored to meet the cleaning needs of firearms heavily used in the field on .38/.357 and 9mm firearms. The police handgun kit contains a precision ground stainless steel rod that is 1/4 in diameter. Each kit features a 2 oz. bottle of No. 10 Copper Cutter to counter the effects of jacketed rounds. Kits also include a 1/2 oz. Break Free lubricant/protectant, a 100% cotton patches, a double-ended nylon brush, a silicone gun and reel cloth and caliber specific jags, brushes and mops.