Description The Pro?Grade 7 Piece 1/2 Inch Drive SAE Impact Socket Set is engineered for high strength performance in demanding impact applications. Manufactured from heat treated chrome vanadium steel these impact sockets deliver exceptional durability and long lasting reliability while a nickel chrome finish helps resist rust and corrosion. Chamfered socket edges combined with the Dyna Drive torque system direct force to the sides of fasteners allowing increased torque capacity and reduced wear. Built to meet or exceed ANSI specifications this impact socket set is ideal for professional mechanics and serious DIY users and is backed by an unconditional lifetime guarantee.Product Details:SAE impact socket set7 piece set1/2 inch drive6 point impact socket designIncludes sizes 1/2 inch 9/16 inch 5/8 inch 11/16 inch 3/4 inch 13/16 inch 7/8 inchHeat treated chrome vanadium steel constructionNickel chrome plated for rust and corrosion resistanceChamfered socket edges for smooth fastener engagementDyna Drive torque system for enhanced torque transferMeets or exceeds ANSI specification B107.5MIncludes storage organizer railDesigned for impact use and heavy duty applications