M12 Clamp Gun, Milwaukee, M12
Meter Appears to be new- still has protective film on the display

The Milwaukee CLAMP-GUN™ M12™ Cordless Clamp Meter for HVAC/R is a heavy-duty True-RMS current tester for professional commercial and industrial HVAC/R applications. Powered by the Milwaukee M12™ LITHIUM-ION battery, the 2238-21 features an ergonomic pistol grip design which greatly increases comfort and ease-of-use in overhead applications.
Wide current range to 600 Amps AC/DC
Wide voltage range to 1000 Volts AC/DC
CAT IV 600V / CAT III 1000V for greater safety
Wide 1.3in. jaw opening to easily handle large conductors
600 microamps DC for flame rectification