PACKAGE INCLUDE - MuHize multipurpose electrical connector kit contains 140PCS commonly used butt heat shrink wire connectors: ①70x Male Spades: (Red 30PCS / Blue 30PCS / Yellow 10PCS); ②70x Female Spades (Red 30PCS / Blue 30PCS / Yellow 10PCS). DURABILITY - The heat shrink connectors are made of premium 200% thicker copper barrel materials. It provides higher tensile strength as well as better resistance to stretch and mechanical damage. DURABILITY - The heat shrink connectors are made of premium 200% thicker copper barrel materials. It provides higher tensile strength as well as better resistance to stretch and mechanical damage. PERFECT WIRE CONTACT- Heat shrink butt connectors are safe & waterproof. Seamless design can offer 100% protection to protect electrical wiring projects from wiring failures. MULTI APPLICATIONS- ① MuHize assorted electrical wire terminals kit are specifically designed for Cars, Trucks, Vehicles, Boats, Stereo audio AV, Underground cables, and 12-volt accessories, etc. ② Usage: No soldering tool is needed. First, strip wire insulation; Second, crimp terminal barrel with a wire crimper; Third, apply heat with a heat gun while rotating a connector. EASY TO IDENTIFY- Easier to choose the correct heat shrink connector with different color-coded tubing. For easy identification, it provides a wire gauge imprint. Muhize heat shrink terminal connectors are compliant with ROHS, ISO 9001:2008, SGS, and CE standards. Upgrade your electrical connections with the MuHize Heat Shrink Spade Connectors kit. This versatile kit includes 140 pieces of upgraded insulated, waterproof electrical crimp wire terminals, making it ideal for automotive, boat, truck, stereo, and other electrical projects. The kit features spade butt splices in three different colors and six sizes, providing you with a wide range of options to suit your specific needs. The MuHize Heat Shrink Spade Connectors kit is designed for durability and reliability. Each connector is made of high-quality materials that are resistant to heat, water, and corrosion, ensuring long-lasting performance even in harsh environments. The upgraded insulation and waterproof design provide added protection for your electrical connections, making them suitable for a wide range of applications. The kit includes 140 pieces of spade butt splices in three different colors - red, blue, and yellow - making it easy to organize and identify your connections. The six different sizes ensure compatibility with various wire gauges, allowing you to make secure and reliable connections for different types of projects. Using the MuHize Heat Shrink Spade Connectors is easy and convenient. Simply crimp the connector onto the wire, apply heat using a heat gun or lighter, and watch the heat shrink tubing shrink and seal the connection, creating a waterproof and insulated seal. This process creates a tight and secure bond that protects your connections from moisture, corrosion, and other environmental factors. Whether you're repairing a wiring harness, upgrading your stereo system, or adding new electrical components to your vehicle or boat, the MuHize Heat Shrink Spade Connectors kit is the perfect solution. With its versatile assortment of spade butt splices, durable construction, and waterproof design, this kit provides you with everything you need to make professional-quality electrical connections with ease. Upgrade your electrical projects with the MuHize Heat Shrink Spade Connectors kit and experience the convenience, reliability, and durability of insulated, waterproof spade butt splices. With this kit in your toolbox, you can tackle any wiring project confidently and efficiently, knowing that your connections are secure, waterproof, and built to last.