Equip your semi to be Ready for the Road Ahead , with the Power Products 4-1/8" - 4-5/8" Square Drive Filter Wrench, a key piece that securely fastens filters. By utilizing a straightforward design, this replacement tool allows operators to quickly or remove fasten oil, fuel, and other various filters found throughout a vehicle. Built with solid materials to withstand strong amounts of torque during adjustments. FleetPride is your First Click in Heavy Duty .