Durable frame less high speed motor delivers up to 150 Nm of torque. All metal gearing for efficient power transmission and long tool life. Aluminum front housing provides greater heat dispersion increasing motor life. Improved variable speed switch and electronic motor brake for complete control for both setting and removing fasteners. 6.35 mm key less hex-drive allows for quick and easy bit changes. Compact body enables use in tight spaces. Rubber coated grip and rear of the tool to reduce surface vibration and user fatigue. LED light to improve visibility of fastener. [hide] Available belt clip accessory allows the user to hang the tool on belt when not in use.