Model Number：Wrench Type：Wrench Set Feature: 30 common specifications, suitable for a variety of repair occasions. The surface of the wrench is heat treated for better corrosion resistance. 15 pieces in imperial system, 15 pieces in metric system. Matched with a plastic box, the corresponding specifications are written on the box, which is convenient to take and store. Specification: Material: CRV steel Packing box size: 190*130*32mm 15 pieces of metric specifications: 0.7-0.9-1.3-1.5-2-2.5-3-4-4.5-5-5.5-6-7-8-10mm 15 pieces of inch specifications: 0.028-0.035-0.05-1/16-5/16-3/32-7/64-1/8-9/64-5/32-3/16-7/32-1/4 -5/16-3/8inch Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow slightly measuring deviation due to manual measurement.  30 X Inner Hexagon Wrenches