Pro-Shot’s 1 Step CLP Needle oiler is a superior CLP that makes cleaning faster and easier. Excellent for copper, lead, plastic, and primer fouling. Repeated use protects the bore and lessens fouling/residue buildup. 1 Step CLP Needle oiler makes gun bores & actions easier to clean. It eliminates stiff actions, jamming, and loosens rusted parts. Rust inhibitors and special additives penetrate the metal and provide a corrosion barrier for superior rust protection. Superior Proprietary formula is based on a unique blend of non-hazardous & bio friendly ingredients.