JET has been a leader in the combination wrench category and feature a wide range of styles and sizes to tackle the toughest wrenching applications. Manufactured from high quality drop-forged steel. Features Torque Drive design to increase torque strength while reducing fastener rounding. Raised panel provides additional strength and durability. Box ends are offset to clear obstruction and provide knuckle clearance on flat surfaces. Wrenches are marked with part number and size for easy identification