This set has all the pins necessary to construct, rebuild, or recondition a 1911 style Auto pistol. Manufactured of high grade steel and heat treated to the proper hardness. Includes: Barrel Link Pin, Sear Pin, Ejector Pin, Hammer Pin, Hammer Strut Pin, Mainspring Cap Pin, Mainspring Housing Pin Retainer, Mainspring Housing Cap Pin, Mainspring Housing Pin, Safety Lock Plunger.