A wire stitching head is disclosed for successively producing a series of uniformly shaped and sized stitches from a continuous length of wire, and includes a frame; stitch forming means mounted on said frame for forming a pre-selectively shaped stitch from a pre-selected length of wire which has been supplied thereto; stitch driving means movably mounted with respect to said stitch forming means for driving the stitch formed by said stitch forming means into a work piece positioned in predetermined relationship with respect to said stitching head; wire feeding means for intermittently supplying said pre-selected length of wire to such stitch forming means from a supply of wire; and first wire guiding means mounted on said frame for guiding said wire toward said stitch forming means, with said wire guiding means comprising a base having an arcuate channelway therein, and a cover plate movably positioned on said base and movable between a first position in which the cover plate covers the channelway of said base and a second position in which said channelway in said base member is exposed.