uxcell. uxcell Carbon Fiber Tube 8x6x500mm for RC Airplane Quadcopter Black Tube 3K Roll Wrapped Matt Surface 2pcs. 4.1. Brand Rating. wishlist Features:Tube Shape: Circular PipeOutside Diameter: 8mmInner Diameter: 6mmOverall Length: 500mm Package Content:2 x Carbon Fiber Tube Size and Shape: Rounded tube with 8mm/0., 3'' outside diameter, 6mm/0., 23'' inner diameter, 500mm/19., 7'' overall length. Application: carbon fiber wing tube is used for racing drones, RC helicopter wing, RC airplanes and RC sailboats, kite spars. 3K Matte Black Tube Uxcell Uxcell 8x6x500mm For RC Airplane Quadcopter Black Tube 3k Roll Wrapped Matt Surface 2pcs Carbon Fiber Tube Carbon Fiber Round Tube 8x6x500mm 3K Roll Wrapped Matt for RC Airplane 1 Pack Lightweight: strong as metal but only one fifth in weight, corrosion-resistant and heat-resisting. Smooth Surface: made of high tensile carbon fiber, matte surface. Application: carbon fiber wing tube is used for racing drones, RC helicopter wing, RC airplanes and RC sailboats, kite spars Lightweight strong black carbon tube with good flat and smooth finish, corrosion-resistant, and heat-resisting. Description:Size and Shape: rounded tube with 8mm outside diameter, 6mm inner diameter, 500mm overall length. 2pcs 600mm 3K Roll Wrapped Carbon Fiber Tube OD 8mm 10mm 12mm 14mm 16mm 18mm 20mm 22mm 25mm 28mm Application: Carbon fiber tube widely used in racing drones arm, RC helicopter wing structural support, RC airplanes,RC boat, kite spars, 3D printer bracket clamp rack tube, landing leg tube, linear bearings tubes, extended tube, quadcopter support tube, etc.