The L. C. Smith Hunter arms Fulton Hammerless SXS Safety Spring with screw is a steel replacement part designed for 12 gauge shotguns manufactured by L.C. Smith. Specifically crafted for the top lever with coupler, this safety spring ensures reliable functionality and safety in hunting and sporting activities. With the brand's reputation for quality and durability, this product is a key component in maintaining the performance of your shotgun for accurate and controlled shots in the field.