The product is a set of vintage NOS Belwith 1430 window vent locks, made in Japan. These gold-colored vent locks are suitable for double-hung windows and provide safety hardware to secure the window's vents. The Belwith brand is known for producing quality hardware products, and this model is known for its durability and functionality. Perfect for those looking to add a touch of vintage charm to their home while also ensuring the security of their windows.