Hight Quality:small screw that the thread is deep and clear without burr, high quality carbon steel forging, fastening effect is better.Standard cross slot, uniform force,easy to lock, not easy to slip, more convenient and quick to use. Type: Miniature small screws: L, M, N, O. 18 specifications Diameter: 1.2mm 1.4mm 2.0mm Easy to install:Sharp tip, self - attack effect,easy to operate, saving time and effort. Non-slip screws for locking, you can lock directly into the wood or thin iron material, high strength, can be directly beat, no deformation, not easy to break. Widely ApplicationPhillips Micro Mini Screw is widely used for computers,phones,watches,glasses,electronics, electrical appliances, furniture, toys, automobiles or anything else repair that requires small screws. With Strong Box :This Screws Nuts Set is well packed and assorted in a plastic box, worry free about damage or disorder. The box design is nice and easy to take right screw out.