Patent ID: 8495940

Claim:
A tool unit that is configured to be used as a portable cutting device and also as a table cutting device, comprising: a rotary blade; a first blade case configured to cover at least a part of the rotary blade and has a first front support portion; a second blade case configured to cover at least a part of the rotary blade and has a second front support portion that is smaller in size and thickness than the first front support portion; a drive device mounted to a backside of either the first blade case or the second blade case and configured to rotatably drive the rotary blade; and a handle attached to the drive device; wherein: the first front support portion is configured to be attached to a base of the portable cutting device, and the second front support portion is configured to be attached to a table of the table cutting device, the handle has a rear support portion, the rear support portion is configured to be supported by a guide member of the base such that a position of the rear support portion is configured to be changed relative to the guide member for enabling adjustment of a cutting depth of the rotary blade into the workpiece.