Description Description: QUALITY: Made of high quality carbon steel, the thread is deep and clear without burr. SIZES:Total 15 different electronic mini screws, different sizes can meet your different needs. FEATURE: Standard cross slot, uniform force, easy to lock, not easy to slip, more convenient and quick to use. WIDELY APPLICATIONS: These min screws are widely used for , computers, electronics, electrical appliances, furniture, toys or anything else repair that requires small screws. NOTE: Cause of the small things, Please do not let the children play to prevent inadvertent swallowed. Specification: Material:Carbon Steel Size Chart: 20 M2X3mm 20 M2X3mm 20 M2X4mm 20 M2X7mm 20 M2X8mm 20 M2X10mm 20 M2.5x4mm 20 M2 .5x5mm 20 M2.5x6mm 20 M2.5x7mm 20 M2.5x8mm 20 M2.5x10mm 20 M2.5x12mm 20 M3X3mm 20 M3X4mm Package Includes: 300 Laptop Notebook Screws Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!