The first N-hub driver in the industry lets you accurately fasten up to 300 steel clamps on a single charge. The revolutionary M12 cordless lithium-ion N-hub driver lets you quickly install N-hub couplings with accuracy and repeatability. Powered by the M12 REDLITHIUM battery pack (sold separately), it fastens up to 300 steel clamps on a single charge, and is proven to be accurate for up to 25,000 clamps before re-calibration is needed. It features torque settings for 60 in-lbs and 80 in-lbs, and LED indicators for when torque limit is reached and recalibration is required. Weighing just 2.75 lbs, this subcompact cordless tool is designed for user comfort and reduced user fatigue. Use it in 0 to 750 RPM drill mode for general drilling and fastening applications.