It was chucked properly and the fixation of the drill was good and it was good just to change the drill. The direction of screw tightening and the direction of rotation are opposite, and when holding a hard one drilling hard it can not be replaced immediately. There is nothing to say if you can improve here
It can be used normally with impact. It also has durability. However, since the mounting part with impact is just a plug in, there is play but there is necessity to get the accuracy. Also, whatever it holds, it is commonplace to rotate it in the reverse direction, but you can get rid of it.