Designed to work with all Model 870 shotguns, the Trigger Fix allows the user to have a clean, smooth, fully adjustable trigger pull. Every Timney 870 Trigger Fix is packaged with a sear, 3 pull weight springs and a hex head wrench. Simply choose a spring (light, medium, or heavy) and then fine tune the pull weight with the hex head wrench for a precise setting.Whether you are a slug gun hunter, turkey fanatic or trap shooter the Timney 870 Trigger Fix will simply allow you to become more accurate with your pump shotgun.