This set contains our Tactical II thinned and chamfered hammer. Tactical Sear, and Match Disconnector. All parts are heat treated to 50-54 RC. This set is for the 1911 tactical pistol builder who wants a thinned and chamfered hammer and to fit and spring the fire control system to suit their tastes. Hammer is blued and polished to give that classic look. Suitable for any 1911 pistol.