【Professional Marine Grade Wire】 Engineered for the harshest saltwater environments, this 4 AWG Marine Wire features premium Tinned Copper conductors to provide superior corrosion resistance. It effectively prevents oxidation and electrolysis, ensuring a long-lasting electrical connection for your vessel. 【Ideal for Trolling Motors & Inverters】 This 4 Gauge set is the perfect high-efficiency power solution. It is widely used for trolling motor extensions, battery switch connections, and power inverters, providing the ideal balance of heavy-duty power capacity and easy handling. 【Ultra-Flexible High-Strand Design】 Featuring a high-strand tinned copper core, our cable offers exceptional flexibility. The supple design allows you to easily route the wire through tight curves and narrow boat hulls without the risk of cracking or stiffening. 【Durable Protective PVC Jacket】 The cable is wrapped in a rugged, Protective PVC Jacket (available in Red and Black). This insulation is resistant to oil, gas, battery acid, and abrasion, meeting the safety demands of engine compartments. 【Easy to Strip & Solder】 Designed for professional installers and DIYers alike, this 4 AWG wire is easy to strip, crimp, and solder. The high-quality construction ensures a secure fit with terminals, saving you time during installation. Reliable Heavy-Duty Power with XRDS -RF 4 AWG Marine Wire In the marine world, standard copper wiring is prone to "green wire" corrosion that can cause system failure. XRDS -RF 4 Gauge Marine Wire solves this by using 100% Premium Tinned Copper. Each strand is individually coated in tin, creating a robust barrier against salt spray and humidity.