Description The Pro?Grade 13 Piece 3/8 Inch Drive Metric Socket Set is engineered to deliver professional grade performance durability and value. Manufactured from heat treated chrome vanadium steel these sockets provide exceptional strength and long lasting reliability while a nickel chrome finish helps protect against rust and corrosion. Precision chamfered edges and the Dyna Drive torque system direct torque to the sides of fasteners reducing wear and allowing increased torque capacity. Built to meet or exceed ANSI specifications this versatile metric socket set is ideal for professional technicians and serious DIY users alike and is backed by an unconditional lifetime guarantee.Product Details:Metric socket set13 piece set3/8 inch drive6 point socket designIncludes sizes 7 mm 8 mm 9 mm 10 mm 11 mm 12 mm 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 professional and heavy duty use