... )material:brass steel aluminum 2)size:O.D1.0-20mm 3)characteristics ... size Features:1) nameAluminum tube2) material:brass, copper ,steel, aluminum 3) size: O.D 1.0mm- 20mm4) Technical Standard ... and are widely used in precise instrument, electronicequipment, pin connector, pen, mechanical device etc.Especially our Brass Tubular ... , Antenna, Electric Brush, Antenna, Electric Brush, etc. Aluminum tube