Modified operation-mode change lever enables switch from'Rotation' to'Hammering' mode and vice-versa without rotating the chuck. Carry case Side handles Depth stop. Specifications of the Makita HR2630 Impact energy 2.4 J Max in concrete (TCT bit) 26 mm Max in concrete (TCT core) 68 mm Max in concrete (Diamond core) 80 mm Max in wood 32 mm Max in steel 13 mm Impacts per minute 0 - 4,600 ipm Input Wattage 800 w Net weight 2.8 kg No Load Speed 0 - 1200 rpm Vibration: Chiselling 9.5 m/sec Vibration: Hammer Drilling 15.5 m/sec Noise sound pressure 91 dB(A).