Adapted for SDS MAX bits, this Makita SDS provides excellent demolition performance even under load The Makita HM0871C has high durability and excellent demolition performance. Anti-vibration technology ensures extra-low vibration performance. Adapted for SDS-MAX bits.  Features:   AVT - Anti-Vibration System  Electronic speed control for maximum productivity  Long life carbon brushes with LED lamp for replacement warning  One touch sliding chuck for easy bit installation and removal  Soft start  Double Insulation  Electronic speed control  Hammer only  Variable speed trigger   Comes with:   Anti-Vibration system  Hammer grease  Carrying case   Specification: Impact energy 8.1 J Blows per minute 1100-2650 bpm Input wattage 1100 w Vibration: Chiselling 8 m/sec_ Vibration K factor 1.5 m/sec_ Noise sound pressure 86 dB(A) Noise sound power 97 dB(A) Noise K factor 3 dB(A) Net weight 5.6 kg