Product model: DK-300 Concrete drilling range (mm: 12 in Voltage capacity: 110/220 Rated frequency (Hz: 50/60 Hz No-load speed (rpm: 360 360-100

Product Model: OB-180 Concrete drilling range (mm: 7 in Rated voltage: 220 Rated frequency (Hz: 50/60 Hz Speed: 3700

Product model: DK-300 Concrete drilling range (mm: 12 in Voltage capacity: 110/220 Rated frequency (Hz: 50/60 Hz No-load speed (rpm: 360 360-100