Made of high quality Stainless Steel,strong hardness,anti-corrosion and good stability.Thread design on the surface of the screws,avoiding screws being loosed effectively.Generic Screw Assortment kit with different sizes,satisfy your wood and various hardware locked needs.The set of assortment screw is perfectly suitable for wood working and electronics fastened working.You'll get 800 pieces M2 screws packed by a plastic organizer box with grids,the screws are placed according to different classification.name: Self Tapping ScrewMaterial: stainless steelColor: silverSpecifications:M2*4mmM2*5mmM2*6mmM2*8mmM2*10mmM2*12mmM2*16mmM2*20mmPackage Contents:800 * M2 self tapping screw assortment kit1 * Plastic Organizer BoxOnly 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.