A hand-held device designed to close and tighten the adjustable jaws of a surgical drill chuck onto a cutting tool, normally a drill bit or other rotational cutting tool, for a firm grip. It is inserted into any one of three side holes that are spaced aroun...
A device designed to grip a cutting tool (normally a drill bit or other rotational cutting tool) using three adjustable jaws that are geared to be manually closed concentrically upon the cutting tool. It is attached (locked) to a surgical drilling machine w...