LOOK Nonabsorbable Black Braided Silk Sutures are made of noncapillary silk and have excellent handling and tying characteristics. Modern braiding technique provides a uniform smooth surface and a greater tensile strength. Extra sharp cutting edges extending from the point to its widest portion reduce tissue drag Precise, smooth penetration through tissue minimizes trauma Needle channel is fitted to the specific size of the suture material Available in black and white Sutures. Silk Thread. 784B 3-0 18" C-6 3/8 Circle 19mm