This is the 10 x .89mm Heavy Wall Aluminum Tube from K&S Engineering. 9812
FEATURES: Ideal for model building and many hobby and craft uses
INCLUDES: One 10 x .89mm Aluminum Tube
SPECS: Length: 11.89″ (302mm) Diameter: 0.39″ (10mm) Hole Diameter: 0.29″ (7.5mm) Wall Thickness: 0.035″ (.89mm)