1. Product information 24MM SDS PLUS ROTARY HAMMER HR2470 Net weight 2 6 kg No load speed O 1100 rpm Max in concrete 24 mm Input wattage 780 w Max in steel 13 mm Max in wood 32 mm Vibration drilling 4 5 m sec Vibration hammer drilling 15 5 m sec Vibration chiselling 12 5 m sec Vibration K factor 1 5 m sec Noise sound power 101 dB A Noise sound pressure 90 dB A Noise K factor 3 dB A Details correct as of 1 4 2011 Makita reserve the right to change specifications at any time owing to their policy of constant improvement Accessories shown are not necessarily supplied SILO yal Satisfying the professional s needs www makitauk com