1.Stable and Strong Design-This wire nuts pack has 18-8 AWG double wings wire twist connectors red 600 pcs in poly bag. This winged wire connectors features knurled textured wings that grip the securely, providing greater torsional leverage. It is made of inserted metal springs that can be firmly and stably connected to the application without accidentally falling off. 2.Safety Insulation Materials-The wire nuts connectors are made of nylon shells and metal springs. The insulated plastic casing keeps you safe when connecting wires. Tough thermoplastic shell can withstand extreme environments, with temperatures up to 221F (105C). 3.Excellent Performance- The electric wire caps boasts excellent performance. The copper in the wire cap not only provides good electrical conductivity, but also increases current flow and reduces the possibility of voltage instability.Improve safety and insulation for your electrical projects.They are rated up to 600V for use in buildings and 1000V for use in lighting fixtures and signs. 4.Quick Connection-These heavy-duty wire connectors can get quick connections for automotive, building wiring, lighting fixtures, and signs. It's great for connecting wires without soldering. You just push the stripped conductors into the wire cap and tighten it.The wing nut design allows for easy installation and removal, ensuring convenient and hassle-free wire connections. Each connector is labelled with its model and specification for easy identification. 5.Widely Application- Our wire assortment nuts are , with sturdy construction and strong grip to hold wires securely in place. It can be used for home theater Colour:Red Material:plastic Package Contents: 600 x Wire Connectors Nuts Only the above package content, other products are not included. Note: Light reflection 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.