●7-in-1 manual tube expander , for expanding copper aluminium tube ●Expanding size : 6 mm, 8 mm, 10 mm, 12 mm, 16mm, 19mm, 22mm( 1/4",5/16", 3/8",1/2", 5/8", 3/4",7/8" ) ●This item is made of heavy duty alloy steel , solid and sturdy durable and long life to use
