Description The Pro?Grade 7 Piece 1/4 Inch Drive Deep Metric Socket Set is built to deliver dependable performance and exceptional value for professionals and serious DIY users. Manufactured from heat treated chrome vanadium steel these deep sockets offer superior strength and long lasting durability while a nickel chrome finish helps protect against rust and corrosion. Designed with chamfered edges and the Dyna Drive torque system this set directs torque to the sides of fasteners for improved grip and reduced wear. Precision manufacturing and strict quality control ensure each socket meets or exceeds ANSI specifications for reliable performance backed by an unconditional lifetime guarantee.Product Details:Deep metric socket set7 piece set1/4 inch drive6 point socket designIncludes sizes 7 mm 8 mm 9 mm 10 mm 11 mm 12 mm 13 mmHeat treated chrome vanadium steel constructionNickel chrome plated for rust and corrosion resistanceChamfered socket edges for smooth fastener engagementDyna Drive torque system for improved torque transferMeets or exceeds ANSI specification B107.5MIncludes storage organizer railDesigned for professional and heavy duty use