The items in the picture are for display. The actual number in the products is random. Process: sanding/coarse stone washing/sandblasting/fine stone washing/micro polishing/CNC. Applicable age: over 18 years old. Packing list: 1 EDC Tool.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. Please allow 1-3mm measuring deviation due to manual measurement.