100 Pcs Screws: 50 Pcs M5x8mm and 50 Pcs M5x10mmColor: BlackM5x8mm :10.9 Tensile Strength . Hex Socket Button Head .Fastener Type: Machine Screw .Drive Type: Hex Socket;Head Style: Button HeadMaterial: 10.9 Alloy Steel;Thread Size: M5x8mm /0.2 inch x 0.3 inch (D*L);Thread Pitch: 0.8mm;Total Length: 10mm/0.4 inchHex Socket Width: 3mm/0.12 inch ;Head Size: 9x2mm/0.35 inch x 0.08 inch (D*H)M5x10mm:Type: hexagonal head;Style: ButtonMaterial: Carbon steelSize: M5x10mmOverall length: 13mmPackage Content: 100 x ScrewsOnly 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.