Features of "1200-5" Series Long Reach Tube Expander Use : Highly recommended for use on thin walled tubes (19 thru 22 gauge walls) of Stainless Steel, Titanium, Incoloy and other exotic materials in thick tube sheets. Advantages : Gives a more concentric and even expansion when expanding thin walled tubes vs. a conventional 3 roll tube expander and reduces tube spring back effect. Expanders for tube sizes not listed below are also available. Please enquire.