Type: Hexagonal Made of carbon steel material, high hardness and . Countersunk design makes these screws align with the mounting , beautiful and anti-scratch. Firm connection, not easy to fall off. Come with a storage case, convenient to store and carry with you. Note: The label on the storage box is Random existence, don't accept the specified. Colour: black Material: carbon steel Package Contents: 25 * M2x6 Screws 25 * M2x8 Screws 25 * M2x10 Screws 25 * M2x12 Screws 25 * M2.5x6 Screws 25 * M2.5x8 Screws 25 * M2.5x10 Screws 25 * M2.5x12 Screws 25 * M3x6 Screws 25 * M3x8 Screws 25 * M3x10 Screws 25 * M3x12 Screws 60 * M2 Nuts 60 * M2.5 Nuts 60 * M3 Nuts 1 * Plastic Storage Case Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.