LifeSilk Sterile Needled Suture 3-0 2/pk Non - Absorbable Surgical Suture U.S.P. , Sterilised Surgical Needled Suture, Silk suture has a smooth flow through tissue while maintaining knot security. Indications: Silk surgical suture is indicated for use in general soft tissue approximation and/or ligation, including use in cardiovascular, ophthalmic, and neurological procedures. USP 3-0 Metric - 2 Length Per Unit - 76 cm 3/8 Circle Cutting 16 mm.