35-Piece 3/8 in. Drive Standard and Deep Length Metric Duo-Socket Set With 35 pieces including all standard and deep length 6 point sockets, a 72 tooth quick release ratchet, 2 wobble extensions neatly placed in a molded storage case, the 35-Piece 3/8 in. Drive Standard and Deep Length Metric Duo-Socket Set is versatile and can get the jobs done you need accomplished. The thin wall design of chrome hand sockets are combined with the strength and durability of Grey Pneumatic impact sockets to create the Duo Socket. This 35 piece set is built specifically to address the needs of the professional technician using hand tools, cordless impact tools and air tools. The Duo-Socket provides one socket for all applications. Removable case cover allows bottom to be used as a tool box organizer All Duo Sockets are marked by both a roll stamp and a large etching on the opposite side, providing readability for a lifetime High quality alloy steel (chrome-molybdenum) construction with exact heat treatment ensures the correct balance of strength and durability High torque drive provides increased strength through the transfer of pressure from the thinnest part of the socket wall toward the thicker section A reduction in wall thickness increases socket's capability of being used in tight areas Sockets grip the fastener across a broader contact area, reducing the chance of rounding off fasteners Increased torque allows up to 20ore torque to be applied than on standard hex impact sockets Molded Storage Case 3/8 in. Drive Duo-Socket - 1872BRQ 3/8 in. Drive 3 in. Length Duo-Socket Extension - 81143E 3/8 in. Drive 6 in. Length Duo-Socket Extension - 81146E 3/8 in. Drive 7mm Standard Length Duo-Socket - 81007M 3/8 in. Drive 8mm Standard Length Duo-Socket - 81008M 3/8 in. Drive 9mm Standard Length Duo-Socket - 81009M 3/8 in. Drive 10mm Standard Length Duo-Socket - 81010M 3/8 in. Drive 11mm Standard Length Duo-Socket - 81011M 3/8 in. Drive 12mm Standard Length Duo-Socket - 81012M 3/8 i