Manual Bead Roller 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'' or 1.65mm) and also suitable for Titanium up to 18 gauge (0.049'' or 1.25mm). Works best when secured in a vice. 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. Please Note: Always apply the bead before welding.