... .3 mm Diameter: 6mm -30 mm anodized,powder Aluminum tube for printer and draftmaterial: 5052 ,6063, 7075 Wall thickness: >0.3 mmDiameter: 6mm ... ,H12,H14,H16,H18,F6-550(Max)>=0.410-120005xxx,5052,5083,5154,5450O,H32,H34,H36,H38,F6-550(Max ... ,7A09,70750,T6,T62,T736-550(Max)>=0.410-12000 aluminum tube