1. Excellent material and 3 color identification. Assortment of copper + PVC connectors + tinned strip. Cable range: AWG 22-16 (red), AWG 16-14 (blue), AWG 12-10 (yellow)2. Crimp terminal with practical design. Provides a secure connection between two wires without soldering for quick electrical repairs.3. Durable crimp connectors. Each head, ring, and fork end is fitted with a thick tin-plated brass rod that resists corrosion to hold the wire tight when stapled. The cane is made from a single piece of brass which eliminates the problem of opening the cane. The cable will never slip out of the electrical cable connectors4. Wide application terminals and kits Comply with all electrical standards. Suitable for home and automotive applications. Whether you're working on your automotive cable, at home, or on a science project, our electrical insulation crimp connector will make sure everything is secure5. Contents: Comes with 280 insulated terminals of 15 types of most commonly used sizes. Rings, fork terminals, male female spades, electrical crimp connectors