Sunex 3504 3/8-Inch Drive Impact Wobble Extension Set, 4-Piece
This Sunex 3/8 inch drive 4 piece wobble extension set includes the most common sizes used for automotive repair.  It includes 4 SAE pieces. 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.