-Safety clutch protects the hands from injury -Larger volume cylinder, stronger impact force and higher efficiency -Enhanced structure design enables its longer service life and more durability Specifications: Rated input voltage: 220 V - 50/60 Hz Rated input power: 1,100 W No-load speed: 900 rpm Impact rate: 4,300 bpm Impact energy: 5.0 J Drilling capacity: Concrete 26 mm Chuck type: Square Modes: Hammer Drill, Chisel Machine weight: 4.6 kg