4/0, 18" Chromic Gut Absorbable Suture with Precision Point Reverse Cutting P-3 Needle (3/8 circle), Box of 12 Suture Sets. Needle maintains shape and sharpness 3X longer than regular needles. Ultra sharp precision point needles for delicate procedures. Manufactured with the highest quality collagen to minimize the possibility of fraying. Easy and secure knot tying characteristics. Equivalent to Ethicon 1654G. The chromic gut suture is an absorbable, sterile surgical suture composed of processed and purified connective tissue made mostly of collagen from either the serosal layer of beef or the submucosal fibrous layer of sheep intestines.