Increased performance and precision with the new Spiral Drill Sharpeners. Performance features for the new Generation:  super simple Drill positioning  stronger positioning clamps for longer life  excellent grinding of cone coating due to curve-controlled holding chuck  optimised chuck has extended jaws for central clamping  variable jaw length within the same tightening operation  grinding rings easy to change  new generation Motor with permanent magnets ensures constant power, independently of rotation speed or load. Model 500X: Grinding range from approx. 2.513.0mm Point angles 118° and 135°
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