General description With this 52CC 2-Stroke Petrol Demolition Hammer, rock breaking and concrete demolition become effortless tasks. Its powerful engine and various chisels allow you to tackle both fine rock drilling and large-scale crushing projects efficiently. Technical specifications Engine Type: 44mm, Single Cylinder, Air-cooled, 2-Stroke Power: 1900W Speed: 6500rpm Displacement: 52CC Noise Level: 70dB Impact Energy: 20-55J Impact Frequency: 1500bpm Torque and Speed: 3.5N.m/5000rpm Fuel Tank Capacity: 1.3L / 0.34gal Fuel Consumption Rate: ≤ 0.6L / 0.16gal/h Cylinder Diameter * Stroke: 44*34mm / 1.73*1.34in Point Chisel Size: 40cm / 15.8in Flat Chisel Size: 39.5cm / 15.6in Product Size: 61*38.5*26.5cm / 24*15.2*10.4in Package Size: 35*40*72cm / 13.8*15.8*28.4in Net Weight: 19.65kg / 43.3lbs Gross Weight: 21.05kg / 46.4lbs Installation Insert the chisel into the clamping head. Rotate the latch to lock the chisel. Check whether it is installed correctly. Usage Ideal for ground