MAX Power - 780 ft./lbs. max power in reverse from a tool weighing just 3.95 lbs, the best power-to-weight ratio in its class MAX Control - new professional touch trigger, a wider range of power regulator settings in forward, and our patented push button fwd/rev provide maximum control MAX Reliability - designed to last and backed by a FREE two-year limited warranty Titanium hammer case is lightweight with unparalleled durability The original perfected twin hammer mechanism utilizes proprietary advanced metallurgy The IRT2135Ti set the standard for performance with the best power to weight ratio on the market in its class. The new IRT2135TiMAX raises the bar with 780 ft. lbs still at only 3.95 lbs. Hard coated anodized end plate stands up to the toughest jobs. Patented four position power regulator dial for maximum control. Optimized air flow ensures maximum performance. Improved grease fitting for easy maintenance. Most Air Tools products are available for in-store pickup from Advance Auto Parts.