The Martinez Tools M4 12oz Steel Replacement Head features a durable steel head for sure, long-lasting strikes. It's perfect for heavy-duty jobs and withstands impact better than other materials. Available in smooth or dimple face.

12oz Dimple Faced replacement head for the Martinez Tools M4 Titanium Finishing Hammer. Also fits the M1 Titanium Framing Hammer.

Some of the smooth faces have been powder coated black. You may find that the powder coat will chip. This will not affect the performance of the hammer in anyway, however, if you are concerned about it, you can safely sand off the powder coat with a sander to reveal the smooth steel face.

Hammer bolt & washer included.

Spanner to change head is available here