There are four chisels which are all forged from premium heattreated alloy steel. it is able to quickly connect and disconnect the chisels securely. This high powerful electric hammer with a full load impact rate of 1800 BPM delivers years of outstanding hammering, breaking, and demolishing performance. 360-degree swiveling auxiliary handle makes adjusting the machine to any job simple. An integrated vibration damper allows you to work longer without fatigue. The viewable oil port will ensure that your machine is filled perfectly and on time. The demolition tools are ideal for demolition, trenching, chipping, breaking concrete, block, brick, tile stucco, etc. It is suitable for the construction of water supply and drainage facilities, interior decoration, port facilities' construction, and so on., Manufacturer: SEVEQIS