Experience precision and reliability with our meticulously crafted centerless ground pins, designed to ensure a perfect fit and flawless performance in your 1911 auto build. This comprehensive package includes every pin necessary to assemble a complete 1911 auto, providing you with the convenience of having all essential components in one place. Each part undergoes rigorous heat treatment and hardening processes post-machining, enhancing their durability and ensuring they withstand the test of time. Elevate your firearm assembly experience with components engineered for excellence. Steel with a blue or stainless steel matte finish The set comprises the following components - a hammer strut pin, a link pin (constructed from stainless steel), a mainspring plunger, a sear pin, a solid ejector pin, a mainspring housing pin, a mainspring housing retainer, a mainspring plunger retainer, a hammer pin, a slide stop plunger and a thumb safety plunger