Versatile Wire Compatibility: This set includes 60 waterproof connectors, split into 30 medium (0.55Inch OD, 0.39Inch ID, fits 12AWG-22AWG) and 30 small (0.47Inch OD, 0.31Inch ID, fits 14AWG-22AWG) sizes. They are perfect for a variety of wire gauges from 12AWG to 22AWG, catering to diverse building and installation needs. Material & High Safety Standards: Crafted from premium PVC, these connectors withstand temperatures from -40 to 400 and handle up to 600V. Their robust design ensures long-lasting performance and reduces fire risks, making them a reliable choice for your electrical systems. IP65 Waterproof & Silicone-Sealed: Featuring an IP65 waterproof rating, these connectors come pre-filled with silicone sealant. The design ensures a moisture-proof, - seal, ideal for environments exposed to water, steam, or dust, enhancing the safety and of your electrical connections. Easy Installation Process: Simplify your wiring tasks with these user-friendly connectors. No pre-twisting is needed; just insert the wires into the caps and twist. The silicone sealant overflows to create a secure, water- seal, protecting against oxidation and leaks. Broad Application Spectrum: Ideal for outdoor lighting, construction projects, automotive wiring, irrigation systems, and more. These connectors are engineered to withstand harsh environmental conditions, offering dependable performance and protection across applications. Color:Black & Blue Material:plastic Package Contents: 60 * connector 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.