Features 1、The external diameter is 8mm / 0.3in, the internal diameter is 6mm / 0.2in, and the length is 50mm / 2in. 2、Made of high quality aluminium material, all the tubes are not easy to rust and durable for long use. 3、Also, the sturdy construction makes the tube not easy to deform, thus ensuring excellent working performance. 4、Allows for wide application, can be used as a shaft in a rotating assembly, a gasket or a sleeve on a support, etc. 5、There is 10 pieces aluminium pipes in the set, and the large quantity will meet your various needs. Specification Item Type: Aluminium Tube Model: 6100-0608-0050; Product Material: Aluminium; External Diameter: Approx. 8mm / 0.3in Internal Diameter: Approx. 6mm / 0.2in Length: Approx. 50mm / 2in Application: In the field of robotics, it can be used to add structural support to the chassis. Package List 10 x Aluminium Tube