Abstract: A clamp for holding boards of wood adjacent other boards of wood for nailing, such as in a floor frame is described. The clamp generally includes an elongated body having a lever to open and close a fixed jaw and moveable jaw that are also connected to the body. An arm is connected to the body and to the lever. The jaws generally include teeth to sink into a surface of the wood to secure the wood within the jaws. An end piece includes lips to prevent unwanted movement of the wood as it is held within the jaws. The clamp further includes a tongue that is adapted to overhang other pieces of wood to which ht he board of wood is to be nailed.