Supply of Medicine and Medical / Surgical equipments : 01 Surgical Suture, Non absorbable Coated Braided Silk Suture BP/USP Standard or Equivalent Standards, Gauge size 4/0, black, 75cm length attached to a 16mm - 18mm half circle round bodied, pre- hardened needle , sterile. for cardiothoracic use. Note: Needle quality should comply with the following tests - Hardness Test: ASTM E18 /ISO 6507- 1/ISO 4545-1 or equivalent -Needle Penetration Test: ASTM F3014 or equivalent - Needle Bend Test: ASTM F1874 or equivalent etc....