This sturdy and cost effective tool makes it easy to add a professional looking bead to all types of tubing. Great for Aluminum up to 16 gauge wall thickness (0.065 in. or 1.65mm) and also suitable for Titanium up to 18 gauge (0.049 in. or 1.25mm). Made from high quality steel and aluminum components, this assembly comes complete with everything you need straight out of the box, including a convenient carrying case. Minimum tube diameter to use on this bead roller is 3/4 in. O.D. It produces a bead that is approximately 2mm tall and 6.5mm wide.