The ODM is the ultimate all-in-one extension tool for overhead drilling applications. The universal saddle fits most "D" handle rotary hammer drills on the market. The ODM is the most efficient and effective tool of its kind. Use it to install anchor wedges, eye pins, eye wedge anchors as well as a variety of other anchors safely from the ground. The ODM Telescoping Overhead Drill Machine can be used for Concrete Ceilings up to 13'.