Power Custom Hammer, Trigger and Disconnector Shims help to eliminate excessive play within the action and improves feel and performance of trigger pull. Includes 10 shims for the Small pin Hammer, Trigger, and Disconnectors. Install to help eliminate side to side play on the Hammer, Trigger, and Disconnector. Improves consistent trigger pull. FeaturesPrevents most of the walking of the parts on the pivot pinsStainless SteelFull hard Tempered