Abstract: A hand tool comprising a main body portion or hammer head having a bore provided in one end thereof for removably receiving a plurality of interchangeable tips or working elements therein, and a yoke member pivotally secured to the head in the proximity of the bored end thereof and carrying a locking pin which is selectively engageable with the working element for removably securing the working element in a working position on the main body portion for providing a plurality of hand tools.