A hand tool includes a handle which is a hollow handle with a space defined therein. A connection portion has a slit defined in the first end thereof. The connection portion has two ribs extending inward from an inside of the second end thereof. The handle has a tubular portion extending from one end thereof. A protrusion extends outward from outside of the tubular portion. The tubular portion is inserted into the second end of the connection portion, and the ribs are engaged with the protrusion. A blade has a body and a toothed portion. The toothed portion is inserted into the slit of the connection portion. A cooling material is located in the space of the handle. The connection portion of the handle is connected to the toothed portion of the blade. The cooling material performs as a weight in the handle.