Makita 12V CXT Rotary Hammer Drill SDS+ Plus Brushless – BODY ONLY Compact, brushless tool for drilling and impact drilling A small and light rotary hammer with an anti-vibration handle Accepts SDS+ bits Suitable for drilling and impact drilling Technical Specification. No Load Speed: 0-680 min? Impacts per minute (IPM): 0-4800? Impact Energy: 1.1J. Max Drilling Diameter in Wood: 13mm. Max Drilling Diameter in Concrete: 16mm. Max Drilling Diameter in Steel: 10mm. Sound Power Level: 98dB(A). Sound Pressure Level: 87dB(A). Noise Uncertainty (K Factor): 3dB(A). Vibration Level (3 Axes), Impact Drilling: 9.3m/s². Vibration Uncertainty (K Factor): 1.5m/s². Nominal Battery Voltage: 12V. Optimum Drilling Diameter Range in Concrete: 5-8mm. Vibration Level (3 Axes), Drilling: 2.5m/s².