Made of stainless steel, good corrosion resistance, easy to use. Equipped with a plastic box, you can classify the screws in an organized manner, more convenient to carry and remove. M3 screws of different lengths, which can meet different needs. 500 pieces M3 screws are enough for use. Widely used in home and office appliance, furniture and other machinery industry. Model: Self-tapping screws Thread: M3 Thread tolerance: 5g Application: Electronic industry fasteners Color: Silver Material: Stainless steel Package Contents: 100 * M3 * 6 Button Head Screws 100 * M3 * 8 Button Head Screws 100 * M3 * 10 Button Head Screws 100 * M3 * 12 Button Head Screws 40 * M3 * 16 Button Head Screws 30 * M3 * 18 Button Head Screws 30 * M3 * 20 Button Head Screws 1 * Plastic box (random style, don't accept the style specified) Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different