Grease-filled cable connectors for easy repair or cable extension The grease in the connector prevents water from entering it. That's why cable connectors are waterproof and weatherproof. You can use our products outdoors with confidence as any water is prevented from seeping in. Therefore, these connectors are the perfect complement to invisible dog fences, robotic lawn mowers, car power, electrical cabinets, underground and many others Features: - Color: blue-white - Cable connectors for 2 or 3 wires - Fits the entire cable Sections ranging from 0.5mm to 1.5mm - Dimensions: Depth = 24mm, Width = 23mm, Height = 17mm (per connection) Simple assembly: just place the connection cables close to the connection holes and press together. With the help of a little pressure, such as using pliers, the pressurized U-contact penetrates the insulation, creating a safe and durable connection. Another advantage, you don't need to strip wires: fast, easy and safe Package contents: 20 cable connectors.