Sunex 3504, 3/8 Inch Drive Impact Extension Set, 4 Pieces, SAE, 3 Inch to 15 Inch, Cr-Mo Steel, Radius Corner Design, Wobble Drive, Steel Ball Retainer, Dual Size Markings, Storage Tray, Meets ANSI Standards

Lifetime warranty with SUNEXPRESS: get in the express lane with the industry’s leading warranty program and exchange warranted products directly with Sunex | 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. | Wobble drive: provides 15-degree offset in all directionsThis Sunex 3/8 inch drive 4 piece wobble extension set includes the most common sizes used for automotive repair. The wobble drive provides 15 degree offset in all directions, with a steel ball retainer on male end. It is made of CR-MO alloy steel for long life. It is fully guaranteed, and includes a heavy duty blow molded storage case. It includes 4 SAE pieces (in): 3, 5, 10, 15.