Hard Wear-Resistant Alloy Steel Balls or Teflon Ball Bearings.
Alloy Steel Bearings should be soldered or welded in place permanently.
Teflon Bearings are added loosely to reduce friction and noise.
©  · FerroWeathervanes.com. No portion of this site may be reproduced for profit. Feel free to reproduce portions for educational purposes as long as credit is given to Ferro Weathervanes. | Sitemap