The Proxxon 28124 Bench Drill TBH is an electronic tool specially designed to provide precision drilling with adjustable speed. This heavy-duty machine is capable of running at 0-1850 rpm, 0-2400 rpm, and 0-4500 rpm, with a primary power source of 230VAC. The oversized column and base is vibration resistant and provides unparalleled stability during operating speeds. The drill is equipped with two speed ranges (high and low), a push buttons reversal switch, and a digital speed indicator. The Proxxon 28124 also has a number of special features such as a heavy-duty chisel chuck, 2-roller bearing spindle support, and a large graduated depth stop. With all these features, the Proxxon 28124 Bench Drill TBH is sure to provide the power and accuracy needed to get any precision drilling job done quickly and efficiently.