illari Pro Cog V1™ is our bi-lateral, arrow-headed shape molded type bi-directional barbed thread for maximum tensile strength and lifting effect. Used for areas where thread providers like to pull and fixate tissue. This thread is most recommended for advanced PDO thread providers who are skilled and confident with both placement and management of possible complications from the treatment, when handling thicker tissue. Superior tensile strength and long-lasting results. Available in 19G 100mm, 19G 60mm, and 18G 100mm.