Right Angle Drill Attachment Chuck Adapter Electric Power Cordless 3/8 90 Degree Perfect for Hard to Reach Angles! Use to get to those hard to reach angles. Attaches to most standard drills. Drill easily, even in the tightest spaces. Reversible. Attachment has heavy-duty metal housing, heat-treated steel shank, double heat-treated helical gear (1:1 gear ratio) and close-tolerance industrial-grade chuck. One of a kind unique 90-Degree attachment allows you to drill in tight corners and awkward angles.