Feature:1. The kit contains 10 replaceable aluminum tubes, which are easy to install and disassemble to meet various support needs.2. The aluminum tube has an inner diameter of 10mm and an outer diameter of 12mm, which can be used to add structural support to the chassis.3. Can be used as a shaft in a rotating assembly, or as a sleeve for a workpiece with an outer diameter of 10mm.4. These aluminum tubes are standard in size, easy to replace, and are commonly used parts in the robotics field.5. Made of highquality aluminum material, light weight and high strength, not easy to corrode or deform.Specification:Item Type: Aluminum TubeModel: 6100-1012-0050Material: AluminumOuter Diameter: Approx. 12mm / 0.5inInner Diameter: Approx. 10mm / 0.4inLength: Approx. 50mm / 2inApplication: In the field of robotics, it can be used to add structural support to the chassis.Package List:10 x Aluminum Tube