Perfect Fit - The 4 gauge wire is cut to a precise length. The actual cable is cut to 3.5 Feet (42 Inches), then we add the battery cable lugs, making the cable slightly longer. The tin-plated copper battery terminal connectors size is 5/16 . Heavy Duty - Automotive battery cable is crafted with flexible welding cable. It bends easily around corners without damage and resists harsh environments. The heat shrink enhances durability for long-lasting performance in various conditions. Wide Range of Uses - They can be used for Auto Battery, Golf Cart Battery Cables, Solar battery cables, inverter cables, Battery Disconnect, Welding Lead, Lawn Mower Battery, RV Battery Box, ATV Battery, Car Power Inverter, and many others. Diverse Climates - Dual-wall heat shrink seals out moisture, reduces corrosion risk, in the battery cable ends, and ensures reliable connections. The 4 AWG battery cable works in wet or dry conditions, withstanding -50°C (-58°F) to 105°C (221°F). American Made - Cable is made in the USA with high-quality, domestically sourced welding cable. Pre-cut and built to your specified length, Our battery cable save time and effort while delivering reliable, durable connections for any application. Color Red Brand Name Fast & Quiet Unit Count 1.0 Count Item Weight 0.63 Pounds Manufacturer Fast and Quiet Material Type Copper Warranty Description 30 Day Warranty