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.