Description The Pro?Grade 7 Piece 1/2 Inch Drive Metric Impact Socket Set is built to deliver strength durability and dependable performance in demanding impact applications. Manufactured from heat treated chrome vanadium steel these impact sockets provide maximum strength 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 improved grip increased torque capacity and reduced wear. Designed to meet or exceed ANSI specifications this metric impact socket set is ideal for professional mechanics and serious DIY users and is backed by an unconditional lifetime guarantee.Product Details:Metric impact socket set7 piece set1/2 inch drive6 point impact socket designIncludes sizes 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mmHeat 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