Hoppe's pistol cleaning kit is convenient, and well thought out.The kit includes hoppe's no.9 solvent 2 oz., lubricating oil 2.25 oz., round cotton patches, slotted ends and adapters (where appropriate), and an aluminum cleaning rod.It comes in an economical clamshell package.This model is compatible with 44/45 caliber.Caliber Or Gauge: .44, .45 CalType: Cleaning KitSize: .44/.45 CalPieces: 1 KitBristle Type: BronzeIncludes: Rods/Tips/Patches/ChemicalsCase Material: ClamshellHazair: Yes