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