The 2463 delivers 1,200 in-lbs of torque for the toughest fasteners, up to 20% more than the competition. The forged steel impact mechanism provides maximum durability. The compact, lightweight design allows for fastening in the tightest spots. REDLITHIUM Battery technology outperforms the competition, delivering up to 60% more run time. Additionally, an on-board battery gauge displays remaining run time.