100% MADE IN THE USA: Support domestic quality with a frame proudly manufactured and welded in the USA. Unlike light-duty imported alternatives, our frames are built to meet the rigorous demands of airports, helipads, and industrial safety sites. HEAVY-DUTY BALL BEARING DESIGN: This professional-grade windsock frame features a smooth double ball bearing system for effortless 360-degree rotation. The precision engineering ensures that even in the lightest breezes, your windsock will react instantly to indicate the most accurate wind direction. POWDER-COATED CORROSION PROTECTION: Constructed from rugged welded steel, each frame is finished with a high-durability powder coating. This protective layer provides superior resistance to rust and corrosion, significantly extending the life of your hardware in harsh outdoor or coastal environments. UNIVERSAL 3/4" PIPE MOUNTING: Installation is fast and secure. The frame is designed to be mounted directly onto any standard 3/4" female pipe thread. This makes it the ideal upgrade for existing airfield poles, chemical plant safety stations, or private airstrip mounts (Mounting pipe not included). COMPATIBLE WITH 18" WINDSOCKS: This frame is specifically engineered to fit all standard 18-inch diameter windsocks. The sturdy hoop design provides a secure mounting point for your wind cone, ensuring it remains fully open and functional even in high-velocity wind conditions. (windsock NOT included) This USA made 18" diameter ball bearing windsock frame is a rugged design constructed of a welded steel and has a powder coated finish for corrosion protection. The frame incorporates a two bearing pivoting design for effortless pivoting. This frame is ready to be mounted on a ¾” female pipe thread. Windsock is not included