The Albion Alloys Aluminium Tube 4mm from the metals range are of high-quality and are ideal for a wide range of modelling applications. This is just one of many great metals from the Albion Alloys Metals range. Details: Pieces per pack: 3 Length: 305mm Outer Diameter: 4mm Inner Diameter: 3.1mm Manufacturer: Albion Alloys Model: AT4M Aluminium Tube 4mm