1) idh182 and dds182: brushless motor - up to 2x the motor life, superior efficiency for longer runtime and no maintenance

2) idh182 and dds182: advanced electronics - electronic motor and cell protection help prevent overheating and overloading for extended tool life and runtime

3) idh182 and dds182: cool pack technology- advanced heat conductive housing keeps battery cooler and extends life

1a) idh182: socket ready chuck- all-in-one impact driver and impact wrench with a ¼" quick-change hex and 1/2" square drive chuck for sockets

2a) idh182: highest torque in its class- highest torque output in its class at 1650 in lbs

3a) idh182: performance control system- select between 3 speed and torque settings to maximize power or minimize fastener damage

4a) idh182: superior ergonomics- smallest grip diameter for best in class ergonomics

5a) idh182: 3 led design- provides maximum illumination of work area without shadows

1b) hds182: superior power - most powerful brushless compact drill driver in its class capable of performing the broadest range of heavy duty applications

2b) hds182: most compact head length - most compact head length in its class for easy control in tight spaces

3b) hds182: durashield housing -designed and tested to withstand multiple 10 ft drops

4b) hds182: 4x bit tip holder - convenient on-tool bit storage for magnetic bit holder