Sutures Absorbable Chromic Gut 27" C-6 Size 4-0 12/Pk. Absorbable Chromic Gut Suture, 27" C-6 Needle, Size 4-0. Treated in chromic acid salt it retains its actual strength for about 6 – 10 days and will be completely absorbed in 20 – 35 days. Usually used underneath the top layer of the tissue if there is no follow-up surgery necessary to remove it. RS3 Suture Chromic Gut Monofilament 4-0 27" Absorbable C-6 Reverse Cutting 3/8 Circle Needle 19mm Coated Beige