Specifications: Package Size: 17 x 10 x 4 cm Item Weight: 700 g Package Includes: 13 * Bolt Extractors, 1 * Box you to tools Thirteen sets of bolt extractors including 1.4 inch, 5/16 inch (8 mm), 3/8 inch (9.5 mm), 10 mm, 7/16 inch (11 mm), 12 mm, 1 / 2 inches (12.7 mm), 13 mm, 14 mm, 5 / 8 inches (16 mm), 17 mm, 11 / 16 inches (17.5 mm) and 19 mm. They can ê be used with a 3/8 inch drive sleeve or wrench. standard.