Description
Cr-mo steel: provides the strength and flexibility to handle high torque impact tools. | Radius corner design: reduces wear and increases torque on fasteners by placing force on fastener walls rather than fastener corners. | Steel ball retainer: designed on male end. | Dual size markings: laser etched and roll stamped markings to ensure permanent identification.The Sunex 3500 ? drive Impact Extension Set includes sizes 3, 5, 10, and 15. each extension has been forged from high grade CR-MO steel, Made with a steel ball retainer, and marked by both laser etching and roll stamping to ensure permanent identification. All of this ensures our extensions professional-level performance-convenientlyy in a storage tray. Meets ANSI standards.
