OD16mm 6061 Aluminum Tube Pipe Outer Diameter 16mm Wall Thickness 1mm 2mm 3mm 3.5mm Hollow Aluminum Pipe Alloy Aluminum Tube OD16mm 6061 Aluminum Tube Pipe Outer Diameter 16mm Wall Thickness 1mm 2mm 3mm 3.5mm Hollow Aluminum Pipe Alloy Aluminum Tube. Sale price : $6.41 Category : Tools