CMCD700: powerful motor: provides 280 uwo of power for demanding drilling and fastening tasks CMCD700: speed: 2 speed gearbox ranging from 0-350 RPM and 0-1,500 RPM for speed of application CMCF800: max torque: provides 1,460 in-lbs. of torque running at 2,800 RPM and 3,100 bpm for heavy duty fastening tasks CMCF800: easy bit change: features a drop and load one handed bit change Improved visibility: both units feature an LED light for improved visibility Compact design: compact designs and contoured over-molded handles make working in tight spaces easier and more comfortable