Three-mode rotary Hammer with high power for Hammer drilling, drilling, and chiselling. Hammer drilling in concrete requires a 720 W motor and 2.0 J impact energy (up to 22mm diameter). Maximum drill diameter Maximum drill diameter in concrete is 22 mm; maximum drill diameter in steel is 13 mm; maximum drill diameter in wood is 30 mm. Simple maintenance - new quick carbon brush change system, Vario-lock for optimal chisel positioning, lightweight Variable speed switch for more precise drilling, and a 4.0-meter power cord. GBH 220 with drill bits and chisel kit is included in the box. SDS Plus drill bits in 6mm, 8mm, 10mm, and 12mm sizes, as well as an SDS Plus chisel.