The 3-0 Black Braided Silk Suture with C-13 Needles (36 pack) are a non-absorbable, braided silk suture designed for reliable tissue approximation and ligation. The suture is paired with a 19 mm, 3/8 circle reverse cutting C-13 needle that provides precise penetration and secure placement in fibrous or dense tissue. The 18" black silk suture offers excellent handling characteristics and knot security, making it well suited for laboratory, veterinary, and general surgical applications.