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