It drills quickly, like low-cost perforators from Interskol; I visually compared it with a drill of 6 in 500 concrete just now, and the boshik was pleasantly surprised; I took it with a blow, since the Interskol has a short wire and thought a la it would come in handy, but As a result, he gives a light to this interskol; the only downside is that the gearbox gets hot; I drilled 30 holes measuring 6mm in diameter and