1. Stable & Strong - 600pcs 18-8 AWG winged wire connectors with textured grip for secure twisting. Features metal springs for firm connections that won't loosen. 2. Safe Insulation - High-quality nylon shell with copper spring, withstands up to 221��F (105��C). Thermoplastic casing ensures shock protection. 3. High Performance - Copper-enhanced conductivity improves current flow and voltage stability. Rated 600V (buildings) / 1000V (lighting fixtures). 4. Quick Installation - Winged design for easy twist-on connections without soldering. Ideal for automotive, wiring, and lighting projects. Each nut is labeled for identification. 5. Versatile Use - Suitable for home theaters, electrical repairs, and more. Color: Red Material: Plastic Package: 600 x Wire Connector Nuts Note: Slight color variations may occur due to lighting/screen differences. Size tolerance: ��1-3cm.