Centerless ground for a perfect fit and flawless performance. Every pin you need to build a complete 1911 Auto in one, convenient package. All parts are heat treated and hardened after machining for extra durability. Mfg: Nowlin SPECS: Steel, blue or stainless steel. Matte finish. Set includes; hammer strut pin, link pin (stainless steel), mainspring plunger, sear pin, solid ejector pin, mainspring housing pin, mainspring housing retainer, mainspring plunger retainer, hammer pin, slide stop plunger, and thumb safety
