The Crimping Tool for Heat Shrink Connectors is an essential addition for any marine wiring project, boasting a comprehensive kit that includes 280-pieces of marine-grade heat shrink wire connectors. With connectors made from tinned red copper, this set is designed for AWG 22-10, featuring 3-colors and 21-sizes to meet diverse wiring needs. This package offers excellent value for wiring enthusiasts and professionals alike. The crimping tool is engineered for efficiency and reliability. Its professional-grade jaws make it easy to crimp various types of heat shrink connectors without damaging the connector shell, ensuring a secure grip on the wires. Each tool is conveniently marked in red, blue, and yellow for easy identification, streamlining your work process. Equipped with a precise ratchet structure, the tool adapts to the pressure required for crimping connectors of different sizes. The built-in thickened ratchet adjusts automatically, allowing for safe and efficient crimping, while the adjustable crimp height of the star wheel guarantees the correct amount of crimping force. Designed for extreme reliability, the 3:1 heat shrink connectors feature adhesive lining that activates with heat, creating a waterproof and wear-resistant seal. This ensures a complete environmental barrier for your wiring projects. The combination of this crimper and heat shrink connectors provides everything you need to tackle any wiring task with confidence.