Complete challenging projects with up to 40% more uwo versus the dcd791b using dcb205 battery or dcbp034 dewalt powerstack battery (sold separately) Access hard to reach work areas: compact 637-in size is 1/2-in shorter in length compared to the dcd791, tool head only High bit retention with 1/2-in metal ratcheting chuck Pro-level speed, control, and precision: high-speed transmission with variable trigger and 2 speed settings (0-650/0-2,000 rpm) 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 › See more product details