Armstrong Tools 1/2 Drive 3″ Impact Locking Extension AN20-935
Lead in angle of 45 degrees allowing for easy installation of impact gun.
Knurled sleeve is designed to encapsulate the retaining ring.
Locking mechanism specifically designed for impact use.
Recesses machined into female end is designed for new impact guns.
Male and female end are in line – positioning of wrench handle and crows foot are always in the same position.
Positive pin lock design prevents accidental socket removal.