Impact Increaser,4pcs 1/2-3/8 inch Socket Adapter converter and reducer

>>> Widely Used: This is a durable 4-piece socket adapter and reducer. There are a variety of sizes to fit many socket or wrench combinations, including 1/2(M) - 3/8(F), 3/8(M) - 1/4(F), 3/8(M) - 1/2(F) and 1/4(M) - 3/8(F).>>>Professional Tools: Spring-loaded ball trigger keeps your sockets stationary and secure. Heavy-duty chrome vanadium steel construction is designed for use with screwdrivers and wrenches. >>> High-quality materials: This lock catch is made of high-quality chrome vanadium steel, rust-free, corrosion-resistant and high-strength for maximum durability.The surface of each adapter is finished by electroplating and blackening, without stain or hand feels delicate and comfortable.Manufactured under strict quality control standards, the improved design can extend the service life.>>>For Professionals and DIY Enthusiasts: The best value for money for a tool that combines quality, robustness, aesthetics, performance, technology and comfort.>>>Service: If you have any questions about our products, please feel free to contact us. We will respond to you within 24 hours. Help::Need further assistance::Contact us at the top of the Amazon page and select Chat Customer Service.Characteristics:Material: chrome vanadium steelSurface finish: electroplating, blackeningHardness: 45 ± 2 (HRC)Black colorThe package includes:4 x plug adapters