Features 1、Aluminum tubes with an inner diameter of 6mm and an outer diameter of 8mm can be used to add structural support to the chassis. 2、Used as an axle in a rotating assembly, or as a sleeve over an 6mm tube, lead screw or shaft. 3、Made of high‑quality aluminum material, light weight and high strength, not easy to deform after long‑term use. 4、Commonly used parts in the robotics field, play a role in structural support, internal component protection, etc. 5、The kit contains 5 aluminum tubes, which can be installed and replaced at any time to meet various support needs. Specification Item Type: Aluminum Tube Model: 6100-0608-0150 Material: Aluminum Outer Diameter: Approx. 8mm / 0.3in Inner Diameter: Approx. 6mm / 0.2in Length: Approx. 150mm / 5.9in Application: In the field of robotics, it can be used to add structural support to the chassis Package List 5 x Aluminum Tube