Specifications: 280pcs M3 hex screws/nuts assorted kit. Made of grade12.9 alloy steel, rust and corrosion resistant. Environment-friendly, no pollution, high hardness. Many length choice in one set meet daily basic needs. Well packed in a transparent plastic box. Carefully organized in 10 grids, not worry messing them up. Commonly used in machinery, furniture, repair and DIY inventions. Type: M3 Screws + Nuts Set Material: 12.9 Alloy Steel Features: Durable, Storage Box, Applies to Many Areas Box Dimension: 13.2cm x 7.2cm x 2.3cm/5.20" x 2.83" x 0.91" (Approx.) M3*4 20Pcs M3*5 20Pcs M3*6 20Pcs M3*8 20Pcs M3*10 20Pcs M3*12 20Pcs M3*16 20Pcs M3*20 20Pcs M3*25 20Pcs M3 Nuts 100Pcs Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Box of M3 Screws + Nuts Set (280 Pcs)