RING TERMINALS: 150pcs blue AWG 16-14 wire gauge 3/8" ring terminals, perfect for a variety of electrical projects in automotive, marine and industrial applications, providing a secure and stable connection HIGH QUALITY: Heat shrink ring terminals are made of tinned pure red copper, ensuring excellent conductivity and durability. The end 1/3 heat shrink tubing provides waterproof, dustproof and insulating properties SAFE CONNECTION: Heat shrink wire connectors provide a safe and reliable connection, giving you peace of mind when working on electrical wiring projects. The insulated design ensures safety and prevents electrical accidents EASY TO APPLY: Corded heat shrink connectors can be applied in seconds. Simply strip the wire, crimp, and heat QUALITY ASSURANCE: Our commitment to excellence supports all ring terminals. Our top-notch customer service team is always available to answer any questions you may have! Upgrade your electrical projects with these heat shrink ring terminals. Made with marine-grade tinned red copper, these 1/4"、3/8"、5/16"、#8、#10 ring connectors are resistant to corrosion and offer a secure, brazed-seam insulated crimp connection. Suitable for AWG 22-16、AWG 16-14、AWG 12-10 gauge wires, these versatile terminals are perfect for automotive, marine, and industrial applications. The heat shrink insulation ensures a reliable, long-lasting connection, while the ring design allows for easy installation and removal. With this bulk pack, you'll have plenty of connectors on hand for all your wiring needs. Enhance your electrical connections with these durable, high-quality heat shrink ring terminals.