Features 1、The kit contains 5 replaceable aluminum tubes, which are easy to install and disassemble to meet various support needs. 2、The aluminum tube has an inner diameter of 8mm and an outer diameter of 10mm, which can be used to add structural support to the chassis. 3、Used as a shaft in a rotating assembly or as an 8mm tube, lead screw or sleeve on a shaft. 4、These aluminum tubes are standard in size, easy to replace, and are commonly used parts in the robotics field. 5、Made of high‑quality aluminum material, light weight and high strength, not easy to corrode or deform. Specification Item Type: Aluminum Tube Model: 6100-0810-0200 Material: Aluminum Outer Diameter: Approx. 10mm / 0.4in Inner Diameter: Approx. 8mm / 0.3in Length: Approx. 200mm / 7.9in Application: In the field of robotics, it can be used to add structural support to the chassis Package List 5 x Aluminum Tube