Features:1. Type specification complete, the quality is reliable.2. Never rust, beautiful,practical, durable and convenient for using.3. Packed in a plastic box, good for storage and difficult to damage.4. Nylon has the characteristics of insulativity,Non-Magnetic,thermal insulation,corrosion resistance and etc.5. As electronics components, fit for the industries of communication, electroplating, medical device, office equipment, electronics.Specification:Condition: 100% Brand NewItem Type: M3 Nut & Screw SetsMaterial: NylonColor: BlackQuantity: 320pcs/boxWorking temperature: -30 °C ~ 130 °CBox Size: Approx. 17.5 * 10 * 2.3cm / 6.9 * 3.9 * 0.9inPackage List:20 * Hex Column Standoff M3 * 620 * Hex Column Standoff M3 * 1020 * Hex Column Standoff M3 * 1520 * Hex Column Standoff M3 * 2020 * Hex Column Standoff M3 * 10 +620 * Hex Column Standoff M3 * 15 +620 * Hex Column Standoff M3 * 20 +620 * Hex Column Standoff M3 * 6 +620 * Black Nylon Spacers M380 * Hex Nut M320 * Cross Screw M3 * 620 * Cross Screw M3 * 1220 * Cross Screw M3 * 20Note:1. Please allow slight 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.