Doubled 0.019-inch Accu-Flex is 0.038-inch or just under 1mm. Doubled 0.024-inch Accu-Flex is 0.048-inch or about 1.2mm. Most standard 2x2mm crimp beads have a 1mm to 1.4mmn inside diameter and will fit either wire doubled. This quick ''Metric Conversions'' can give you a quick idea of whether beading wire will fit through a particular crimp. Remember to double the wire width if you're going run the cable through the crimp twice.