🔧 Connect with Confidence! Flame-retardant materials keep your projects safe from electrical hazards. Meets all electrical standards for peace of mind in every application. Dual-walled insulation with heat-activated sealant provides a 360-degree waterproof seal. Thick tinned copper barrels resist corrosion and ensure a secure crimp every time. Perfect for marine, automotive, and home projects—wherever you need reliable connections. Waterproof insulation Thick copper barrel Flame-retardant design The 200PCS Heat Shrink Connectors Kit offers a comprehensive solution for secure and waterproof electrical connections. Featuring thick copper barrels for minimal voltage drop and high current flow, these connectors are designed to prevent short circuits and ensure reliability in marine and automotive applications. With a unique dual-walled insulation design, they provide a flame-retardant and waterproof seal, making them ideal for various projects.