Stanley 40-Piece 3/8 In. Drive SAE/Metric Socket Set Features and benefits Maxi-Drive feature allows for 15% more torque. Double nickel chrome-plating for corrosion resistance. High-torque pear head ratchet with quick-release button and full-polish handle. Easy latch case holds all tools securely in place during transport. Set comes fully assembled, ready-to-use. Tools meet or exceed both ANSI and DIN standards. Limited lifetime warranty. Set includes 1 3/8 quick-release pear head rachet, 1/4 spinner handle, 1/4 bit holder with 6 bits, 3/8 extension bar, 3/8 Female x 1/4 Male adaptor, 15 1/4 socket 6-point 5/32 , 3/16 , 7/32 , 1/4 , 9/32 , 5/16 , 11/32 , 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, and 14 3/8 socket 6-point 3/8 , 7/16 , 1/2 , 9/16 , 5/8 , 11/16 , 3/4 , 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, and 19mm. Carrying case included. Measurement Type Standard/Metric, Drive Size 1/4 In. 3/8 In., Pieces In Set 40 Pcs., Finish Chrome, Pkg Qty 1 CANCER AND REPRODUCTIVE HARM www.P65Warnings.ca.gov