Sets comprise of: Metric 8, 10, 12, 13, 14, 15 & 18mm, Imperial 5/16 Inch, 3/8 Inch, 7/16 Inch, 1/2 Inch, 9/16 Inch, 5/8 Inch & 3/4 Inch., Ratcheting box wrench requires only 6° arc. Meets ANSI, DIN & BS torque specifications. Available as individual metr