The EGW 1911 Heavy Duty Thumb Safety is engineered for government and officers frame pistols with a durable blued finish and right-hand configuration.EGW 1911 Heavy Duty Thumb SafetyBlued finish for corrosion resistance and durabilityRight-hand operation designCompatible with government and officers frame sizesHeavy duty construction for reliable performanceIdeal for 1911 enthusiasts and gunsmiths looking for a quality replacement or upgrade component that ensures reliable thumb safety operation and enhanced durability.