Features 1、Aluminum tube with inner diameter of 12mm and outer diameter of 14mm can be used as a structural support for the chassis 2、Can be used as a sleeve on a 12mm round or for REX shaft, and can also be used as a raceway for wires to pass through, very useful 3、Made of aluminum, lightweight and convenient, possess good quality. Commonly used parts in the robotics field 4、Used in the field of robotics, suitable for add structural support to the chassis, practical and durable 5、Adopt excellent aluminum material, possess light weight, good strength, and good corrosion resistance Specification Item Type: Aluminum Tube Model: 6100-1214-0100 Material: Aluminum Product Size: Outer Diameter: Approx. 14mm / 0.6in Inner Diameter: Approx. 12mm / 0.5in 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