Tool free depth adjustment: No need to reach in the tool box to change screw depth
Wide Fastener Range: The W6VB3SD2 SuperDrive system if ready for work given it fastens screws from 5/8" to 3" and screw diameters from #6-#12
24.6 foot cord: This allows you to move around the jobsite without having to stop every few feet to unplug and re-plug from a power outlet
20" extension allows you to work from a grounded standing position without having to get down on the floor or stand on a ladder