Surgical stainless steel suture is a nonabsorbable sterile surgical suture composed of 316l stainless steel. Surgical stainless steel suture is a non-absorbable corrosion resistant steel monofilament to which a fixed or rotating needle (axial) is attached. Surgical stainless steel suture meets all requirements established by the United States Pharmacopoeia (USP)for nonabsorbable surgical sutures. Surgical stainless steel suture is also labeled with the B&S gauge classification.