before that, he worked with festulomi and DVT Chinese . when buying, I compared this model with the Bosch GSR1800 - the devices are from a different league, although the price is similar. steel gearbox, 13mm chuck. despite the fact that it is heavy due to the excellent balance, the hand does not get tired. rubberized handle. great backlight. there is no play in the gearbox. at 2nd speed drills better than a small corded drill small claims to the suitcase: there are 3 places for batteries, but there is no place for equipment