This product is a set of 12 vintage solid brass thumb screws designed for glass holders. The screws have an 8/32 thread and measure 15/16" long. They are golden in color and made of brass, adding a touch of elegance and authenticity to any lamp or lighting fixture. Perfect for collectors or those looking to enhance their home decor with a touch of vintage charm. PLEASE VIEW THE PHOTOS AND ALWAYS BE FREE TO ASK QUESTIONS