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.