G17-303 G17303 PI Baumgartner Needle Holder 5" Tungsten Carbide G17-307 G17307 PI Castroviejo Needle Holder 5 1/2" Tungsten Carbide G17-306 G17306 PI Derf Needle Holder 4 3/4" Tungsten Carbide G14-301 G14301 PI Mayo Hegar Needle Holder 5" G14-300 G14300 PI Needle Holder G17-302 G17302 PI Webster Needle Holder 5" Tungsten Carbide G17-304 G17304 PI Mayo Hegar Needle Holder 5" Tungsten Carbide