The DC827KL has a durable frameless high speed motor that delivers up to 150 Nm of torque, all metal gearing for efficient power transmission and long tool life, aluminium front housing which provides greater heat dispersion and an improved variable speed switch and electronic motor brake for complete control for both setting and removing fasteners.Other features include a 6.35 mm keyless hex-drive and an LED light to improve visibility of fastener.Compatible with all DEWALT 18 Volt battery packs.