{"product_id":"wind-catcher-cfsr3321-carbon-fiber-sq-round-tube-3x3x2mm-x-1000mm","title":"Wind Catcher CFSR3321 Carbon Fiber Square Outer Round Inner Tube 3x3x2mm x 1000mm","description":"\u003cp\u003eThe \u003cstrong\u003eWind Catcher CFSR3321 Carbon Fiber Square Outer Round Inner Tube 3x3x2mm x 1000mm\u003c\/strong\u003e is a pultruded carbon fiber tube with a square 3mm x 3mm outer profile and a 2mm round inner bore. This hybrid geometry provides flat bonding surfaces on all four outer faces while maintaining a round interior channel for rod, pin, or wire routing — a versatile structural solution for RC aircraft, drone, and robotics builds.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePultruded carbon fiber with square outer and round inner profile\u003c\/li\u003e\n\u003cli\u003e3mm x 3mm square OD x 2mm round ID x 1000mm length\u003c\/li\u003e\n\u003cli\u003eFlat outer faces for easy bonding and mounting\u003c\/li\u003e\n\u003cli\u003eRound inner bore for rod, pin, or wire clearance\u003c\/li\u003e\n\u003cli\u003eExceptional strength-to-weight ratio\u003c\/li\u003e\n\u003cli\u003eEasily cut and shaped with standard hobby tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRC aircraft structural members requiring flat bonding surfaces\u003c\/li\u003e\n\u003cli\u003eDrone frame arms and precision structural elements\u003c\/li\u003e\n\u003cli\u003eRobotics linkage housings and guide channels\u003c\/li\u003e\n\u003cli\u003eCustom RC builds requiring hybrid square\/round profiles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCFSR3321\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCarbon Fiber Square Outer Round Inner Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOuter Profile\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3mm x 3mm square\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInner Bore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2mm round\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1000mm (1 meter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePultruded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~0.5 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Wind Catcher","offers":[{"title":"Default Title","offer_id":45536083411255,"sku":"CFSR3321","price":2.89,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/2349\/files\/s-l1600_ad42fead-279a-4e23-8f97-b7e7e6999b61.jpg?v=1690235284","url":"https:\/\/superstitionhobbies.com\/products\/wind-catcher-cfsr3321-carbon-fiber-sq-round-tube-3x3x2mm-x-1000mm","provider":"Superstition Hobbies","version":"1.0","type":"link"}