Fantastic cordless tool, running on the M12 series of batteries. Enough power for day to day shop work, such as caliper bolt/pin removal, exhaust work, interior work, etc. Small enough to fit into tight spaces with comparable power to (3/8) air impact guns. Battery life is very good; with the 4.0AH battery, going a week between charges is not a problem, with the gun seeing fairly consistent day to day use. Battery life is less with the standard M
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