Abstract: An apparatus for stapling tags onto timber, comprising a tag feeder supplying tags in strip form to a tag applicator station which cuts the tag strip in individual tags and fastens the tags onto timber with wire staples. The tag applicator station includes a cutter transversely severing the tag strip against an anvil plate, and a leaf spring mounted on the cutter for engaging the tag which is being cut and retaining same against an abutment plate and a stapler gun applying a staple wire to a timber piece in registration with the tag applicator station through the tag held between the leaf spring and the abutment plate.