The socket rings is the perfect replacement for your old or damaged lamp socket ring, Suitable for a wide range of lamp styles, including table lamps, floor lamps and DIY lampshade projects at home. Great for use in bedrooms, living rooms, offices and other spaces.Specification:Material: Plastic, Zinc alloy;Size: 27.8 x 6.9mm / 1.09 x 0.27 inch (Dia*H);Applicable Objects: Fit for G9 Threaded Ceramic Socket;Package Content: 8 Pcs x Plastic Socket Ring, 8 Pcs x Alloy Socket RingAdvantage:The socket rings converter is made of good material, not easy to deform, and has a long service life. It also has strong heat resistance, is insulated, and feels clean and smooth. Light texture and good toughness, easy for you to install;Great replacement for your old or broken lamp holder rings. Durable and convenient for you to use;Instruction:Easy to install, just screw on the socket to hold lamp shade.NOTE: This socket ring only fits for G9 lamp holder with a thread diameter of 20mm/0.78", Please measure the thread diameter of your lamp holder before buying.