This universal drill clamp is a simple, useful accessory especially when using flexible shafts, wire brushes or drill mounted accessories. It will clamp any drill with a 43mm (Euro) collar to a bench, vertically or horizontally, after all, power drills just don't fit into vices or Workmate jaws! The clamping collar rotates 360° horizontally. In addition, the head pivots 180° left to right and up to 90° forwards. Tightening the cap-head machine screws firmly locks your drill in place. Maximum thickness of worktop is 45mm.