Material:Our lampshade ring is made of high quality iron,durable,sturdy and lightweight Features:Simple frame design,solid color,suitable for diy lamp shades for table lamp Craftsmanship:Metal lamp shade frame,exquisite workmanship,premium and delicate Size:Inner diameter is 4cm/1.57inch,suitable for E27 lamp base Applications:The lampshade frame ring is perfect for Light in bed room,living room,office,cafe,bar,restaurant,etc, Weight: 1.322773572 pounds, Manufacturer: QIXCXAZ