The ultimate thumb safety for your carry gun, the Wilson Combat Tactical Bullet ProofA(R) thumb safety is perfectly shaped for everyday use and precision machined from a solid block of hardened billet steel. The safety shaft is cut to maximum dimensions for a snug fit in even the most oversize 1911. Minimal fitting to the safety lug is required. Polished blue finish. In the world of high-performance handguns, Wilson CombatA(R) Bullet ProofA(R) parts stand alone for performance, construction and value. All Wilson CombatA(R) Bullet ProofA(R) parts are CNC machined from solid steel billets and precisely engineered for an absolutely perfect fit-no cheap castings or infer Mfg: Wilson Combat