High precision drill chucks made with modern technology. The self-tightening application of these keyless drill chucks always ensures robust gripping force because anny addition in torque or drill will further tighten the drill in the chuck itself. Built-in ball bearing ensures exact smooth and quick action. Micro high accuracy chucks are available in several ranges 0-3 mm, 0-6.5 mm, 1-13 mm. The company is a participant at imtex 2004, hall no. 12, stall a19.