DEWALT DCF889L2 20V Max Lithium Ion 1/2-Inch High Torque Impact Wrench with Detent Pin, 3.0-Ah 300-Feet Pound of maximum torque to perform a wide range of heavy-duty fastening applications Ergonomic handle provides user superior comfort and control Variable speed trigger with electric brake provides user improved control Durable magnesium gear case and all metal transmission for extended durability LED light provides user greater visibility when working in dark environments