Description The Pro?Grade 8 Piece 3/8 Inch Drive Deep Metric Socket Set is designed to deliver professional strength performance and long lasting durability. Built from heat treated chrome vanadium steel these deep sockets provide maximum strength while a nickel chrome finish helps protect against rust and corrosion. Precision manufacturing and strict quality control ensure each socket meets or exceeds ANSI specifications for reliable performance. Featuring chamfered edges and the Dyna Drive torque system this set directs torque to the sides of fasteners for improved grip increased torque capacity and reduced wear. Ideal for professional technicians or serious DIY users this deep socket set is backed by an unconditional lifetime guarantee.Product Details:Deep metric socket set8 piece set3/8 inch drive6 point socket designIncludes sizes 10 mm 12 mm 13 mm 14 mm 15 mm 16 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 increased torque transferMeets or exceeds ANSI specification B107.5MIncludes storage organizer railDesigned for professional and heavy duty use