Features 1、The aluminum tube with an inner diameter of 10mm and an outer diameter of 12mm can be used to add structural support for the chassis 2、Aluminum tube can be used as a shaft in a rotating assembly or as a sleeve with an outer diameter of 10mm 3、The product is a commonly used parts in the robotics field, made of aluminum, lightweight and convenient, possess good quality 4、Used in the field of robotics, used to add structural support to the chassis, practical and durable 5、Made of excellent aluminum material, come with light weight, good strength, and good corrosion resistance Specification Item Type: Aluminum Tube Model: 6100-1012-0100 Material: Aluminum Product Size: Outer Diameter: Approx. 12mm / 0.5in Inner Diameter: Approx. 10mm / 0.4in Length: Approx. 100mm / 3.9in Purpose: In the field of robotics, can be used to add structural support to the chassis Package List 10 x Aluminum Tube