SHADE PULL DRESSES UP ANY ROOM , GREAT HOUSEWARMING GIFT! DESIGNED AND MADE IN USA OF LEAD FREE METAL ELECTROPLATED BRASS OX THESE ARE FOR ROLLER SHADES AND ARE EASY TO INSTALL , PLASTIC BACK INCLUDED TOP MEASURE APPROX 1.2 INCHES ROUND BOTTOM MEASURES APPROX 1.3 INCHES ROUND TOP SCREWS INTO THE WOOD OR PLASTIC AT THE BOTTOM AND THE RUBBER DISC GOES ON THE BACK TO PREVENT THE GLASS FROM GETTING SCRATCHED **FREE SHIPPING and Usually Ships the same day**