Description The Pro?Grade 9 Piece 1/2 Inch Drive SAE Socket Set is built for professional strength dependable performance and long term durability. Manufactured from heat treated chrome vanadium steel these sockets deliver 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 for improved grip increased torque capacity and reduced wear. Designed to meet or exceed ANSI specifications this SAE socket set is ideal for demanding shop environments or serious DIY use and is backed by an unconditional lifetime guarantee.Product Details:SAE socket set9 piece set1/2 inch drive6 point deep socket designIncludes sizes 1/2 inch 9/16 inch 5/8 inch 11/16 inch 3/4 inch 13/16 inch 7/8 inch 15/16 inch 1 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 professional and heavy duty use