National Hardware 1-3/4" Zinc Turn Button (4-Pack) is designed with a unique form that ensures the only contact point on the window frame is at the circular base surrounding the screw hole. The slightly raised wings and curved edges allow for easy turning without gouging the wood, providing both functionality and protection. Finished in durable zinc, this turn button set comes complete with mounting screws for convenient installation, making it a reliable choice for securing windows or panels. Model Number: N106-815