Carbon Wing Joiner Tube for Serious Size Models.Tube Length 600mm. External Tube Size 34.8mm o.d. And 29.80mm i.d. Inner Tube Size 28.9mm o.d. And 25.2mm i.d. Appears to be pulltruded as apposed to extruded and is of extremely heavy duty construction.Both tubes are an accurate fit together.
This is for 2 carbon tubes-one fits into the other and is a snug fit.Paid A$180.