✓ TICONN BRAND QUALITY COMMITMENT?We stand behind the quality of our products. If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back and 24-month warranty. 100% Satisfaction Guarantee for risk-free shopping!. ✓ WIDE APPLICATIONS?Compliant with all electrical standards, Perfect for marine and automobile applications, whether you are working on your boat, Vehicle, Home or scientific project, our electrical crimp connector will ensure strong watertight seal to make sure everything bond correctly. The connector assortment includes red (AWG 22 – 16), blue (AWG 16 – 14) and yellow (AWG 12 – 10) butt connectors that can be used on wire AWG from 22 to 10. ✓ WATERPROOF?Insulation tubing has unique dual-walled design. High quality 3:1 shrinkage tubing has a heat-activated sealant lining to provide a 360 degree secure seal. It's flame-retardant, waterproof, and can be used underground. ✓ DURABILITY?Each terminal features a thick tinned copper barrel that resists corrosion to hold the wire tight when crimped. The barrel is created from one seamless piece of copper that eliminates the problem of the barrel opening. Your wire will never slip out of the connector. ✓ PREMIUM QUALITY?Thick copper barrel ensures strong secure crimping every time, providing minimal voltage drop, high current flow, and less heat. These will prevent short circuits and problematic wiring that inferior connectors are known for.