Petit-Point Ryder Needle Holders, Carb-Bite 7000 teeth per square inch, for use with 4.0, 5.0 and 6.0 suture serrated jaws Back to Products     Catalogue #       221-170   4â…ž" (124mm) 221-172   6¼" (156mm) 221-174   7" (176mm) 221-176   7¾" (200mm) 221-177   9" (228mm)