KNS Precision Kaiser US Polymer Lower Extended Non-Rotate Trigger/Hammer Pins Stainless Steel EXT-154 T/H. 154 Diameter trigger/hammer match-grade stainless steel non-rotate pins. (1.125 engagement length). These pins are designed to fit the Kaiser US Polymer Lower Receivers. This item is for the TRIGGER/HAMMER pins only side plates and screws are available separately. Specifications for KNS Precision Kaiser US Polymer Lower Extended Non-Rotate Trigger/Hammer Pins: Manufacturer: KNS Precision Color: Stainless Steel Gun Make: Kaiser Package Contents: KNS Precision Kaiser US Polymer Lower Extended Non-Rotate Trigger/Hammer Pins KNS Precision EXT-154 T/H : Kaiser US Polymer Lower Extended Non-Rotate Trigger/Hammer Pins Stainless Steel