These Metabo drill runs incredibly quiet. You can feel little vibrations during the slow start of the engine still there are slight imbalance caused by the chuck. From the uniformity ago is believed to have a cordless drill in hand, of course, this thing is heavy.
Then there's so little goodies, where you can see that was thought along. There are locking lugs at the front handle engage, so twisting is impossible. Likewise the ball grommet on the careful handling of the cables are evidence of Finesse. The machine has rotating brushes, the maximum force in the counter-clockwise rotation is possible.
This machine is definitely worth the money.