Description: These screws and nuts are made of high quality 304 stainless steel, which provides strength and is commonly used when requiring higher mechanical properties. There are many length for your choice which can be commonly used in home and office appliance, machinery, furniture, repair and DIY inventions. Features: Made of high quality 304 stainless steel, which provides strength and is commonly used when requiring higher mechanical properties. Ideal for use in confined areas where you need hex socket cap head screws. Fixing component, industrial and construction fasteners. 6 common sizes and different quantities that you can choose for general purpose use. Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry. Specifications: Material: 304 stainless steel Color: Black Type: Hex socket cap head Quantity x Size: 30 x M2*4mm 30 x M2*6mm 30 x M2*8mm 30 x M2*10mm 30 x M2*12mm 30 x M2*16mm Box Size: 13.3 x 7 x 2cm / 5.23 x 2.75 x 0.78" Weight: 88g(approx.) Package Includes: 1 Box x Screws Note: 1. Please allow 1-2mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.