3/0, 27" Plain Gut Absorbable Suture with Reverse Cutting C-6 Needle (3/8 circle), Box of 12 Suture Sets. Extra sharp cutting edges extending from the point to its widest portion reduce tissue drag. Precise, smooth penetration through tissue minimizes trauma. Needle channel is fitted to the specific size of the suture material. Equivalent to Look 544B. Suture Chromic is an absorbable, sterile surgical suture composed of purified connective tissue (mostly collagen) derived from either the serosal layer of beef (bovine) or the submucosal fibrous layer of sheep (ovine) intestines.