Abstract: An adjustable hair clipper including an interconnected body and head mounted about a common pivot for rotational movement between the body and the head, the body including a motor with an associated drive shaft, a reciprocating cutter in the head, an operating shaft for actuating the reciprocating means, gears in the body interconnecting the drive shaft and the operating shaft, the gears being pivotable about the common pivot thereby permitting the drive shaft and the operating shaft to rotate relative to one another as the head and the body are rotated relative to one another.