Use this scraper to quickly remove tile, clean out mortar or chisel. Powerful 5 Amp motor with variable speed control delivers up to 3500 blows per minute for maximum performance. 5 Amp motor. Variable speed 2000-3500 BPM. Impact energy 3.9J. Dial speed control. Air cushion hammering for long life. Quick-change bit retainer. Small diameter barrel is easy to grip. Ball and needle bearing design. Auto brush cut-out system. Factory grease packed. Double insulated. Includes 2 scaling chisels, bull point, dust cover and plastic case. Model HK1810.