2/0, 27" Plain Gut Suture with C-7 Reverse-cutting 24mm Needle (3/8 Circle), Box of 12 Suture Sets. Plain gut is rapidly absorbed and elicits minimal tissue reactions. Tensile strength is maintained for up to 10 days. Absorption is complete within 70 days. Ideal for tissues which heal rapidly and require minimal support. Equivalent to Look 555B. Suture Plain Gut 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.