Does Makita hr2453 electric hammer use a round handle drill or a square handle drill?

We did this. Zhejiang Dewei Cemented Carbide Manufacturing Co., Ltd. drilled holes in the cement wall as follows: a, impact drill (the drill gun actually has no impact force); B) The other is electric hammer drill, commonly used are SDS+Plus (four-pit round shank drill), SDS Max (five-pit round shank drill) and four-pit square shank drill. . ...