Steel ball retainer on male endWobble drive provides 15 degree offset in all directionsCR-MO alloy steel for long lifeWill help in a lot of your automotive needs From the Manufacturer This Sunex 1/2 inch drive 3 inch impact wobble extension will handle a lot of your needs. It has a steel ball retainer on the male end and the wobble drive provides 15 degree offset in all directions. It is made from CR-MO alloy steel for long life. It is fully guaranteed.
