DCD800: ACCESS HARD TO REACH WORK AREAS: Compact 6.37 in. size is 1/2 in. shorter in length compared to the DCD791, tool head only DCD800: HIGH BIT RETENTION with 1/2 in. metal ratcheting chuck DCD800: BRIGHTEN DARK WORK AREAS: Adjustable 3-Position, 3 Mode LED with up to 70 Lumens, including LED spotlight mode which features a 20-minute shutoff function for extended work time in low-light spaces DF887: DRIVE FASTENERS WITH EASE: Percision Drive in speed 1 provides added control by helping to prevent over-tightening of screws DCF887: INCREASED CONTROL: 3-Speed settings for a variety of fastening and drilling applications