Ingersoll Rand 2115TIMAX Titanium Air Impact Wrench, 3/8"The original twin hammer mechanism has been perfected and utilizes proprietary advanced metallurgy, while the titanium hammer case is lightweight and offers unparalleled durability. Its patented four position power regulator dial provides MAX control (as does the feather touch trigger), and the seven vane motor delivers additional power. An ergonomic redesign offers greater operational comfort, and the improved grease fitting makes for easy