Description:

Material: Aluminium 
Grade 6061-T6
Section: Round Hole
Length: 100mm / 200mm
Wall Thickness = (Outer diameter - Inner diameter) / 2
Size Available (Outer diameter x Inner diameter)
3mm OD x 2mm ID , Wall Thickness 0.5mm
5mm OD x 3mm ID , Wall Thickness 1mm
6mm OD x 4mm ID , Wall Thickness 1mm
8mm OD x 5mm ID , Wall Thickness 1.5mm

Package Inckuded:

According to your choice