NYLON black 5/0 usp 1x45cm 3/8 circle cutting needle precision cut 18mm - Box of 36NYLON is a synthetic, non absorbable monofilament extruded thread (drawn through dies in a malleable condition) that is made by polycondensation of hexamethylenediamine and adipinic acid to Polyamid 6. On account of its very high tensile strength, even with the smallest of thread diameters, nylon is especially well suited for the finest of sutures in microsurgery. Polyamides can bind up to 10% water. NYLON black 5 0 usp 1x45cm 3 8 circle cutting