First, we’re real manufacture-factory, please see the photos of our work-shop and all kinds of molds ! Choose us as your partner, you could get the advantage of quality, price, delivery time at the same time. Please feel free to contact with me. Thank you ! Skype Account , yhcomposites Sizes of carbon fiber tubes The Mini out diameter is 2.3mm The thinnest wall thickness is 0.3mm Tolerance could be reached +/-0.05mm The exact surface or length is all up to your exact need Production time : 10-15 days Shipping time : 7 days Please feel free to contact with me or leave a message. Performance: Light weight – Less Density – 20% of Steel High strength and Perfect Surface High UV and Corrosion Resistance Superior and Precision Dimensional Stability The tolerance could reach +/-0.05mm Consistent Cross Section Excellent Structural Properties and Lasting Performance Application Carbon fiber Wing connector tubes for RC Airplaine , Tail tubes for Helicopter and Gliders UAV , Carbon poles for Window cleaning, Carbon fiber shafts for Paddles Carbon fiber masts for Sailboat, Sports Equipments and so on.