lasting magnet with changeable speed body process ; boundless speed selection within the machine 's three speed ranges -LRB- 0-5000, 0-6500, and 0-8500 RPM -RRB- ; accommodates drills from 0.79 to 6 mm DIA. -LRB- 1/4 '' -RRB- ; physical phenomenon 110, 60 Hz ; max. Chuck capacity 6 ; Spindle travel 1 '' ; Column DIA. '' ; work surface 6.750 '' x 6.750 '' ; throat 4 '' ; general height 13.5 '' ; width 7.5 '' ; depth 10 '' ; chuck primal included.