【Package Included】 Package: 5PCS Material: Aluminum 6061 Diameter: 3/8" /0.375 inches, Length: 13 inches Feature: 1.Good material for DIY craft making 2.6061 aluminum is a lightweight, general-purpose aluminum alloy that can easily be machined or welded. 3.The longer length is enough for you to cut at will 4. It has a high resistance to corrosion, and an excellent weight-to-strength ratio.