The Power Products 100' Roll GPT Primary Wire features a tough thermoplastic insulation that resists acid, oil, and moisture, and meets or exceeds SAE J1128 and SAE J378 type GPT specifications. This wire is 10-guage and comes in a 100' roll, offering a wide variety of lengths to satisfy the diverse requirements of the automotive, marine, and trailer industries. With its superior quality and durability, this wire is the perfect choice for automotive, marine, and trailer industries. FleetPride is your First Click in Heavy Duty®.