Our lamp holder fixing ring is made of durable plastic, safe and practical for to use. It can effectively fix the lamp holder to prevent it from falling. Meet the professional standards, it is a good choice for your shopping. Features - Color: White. - Material: Plastic. - Size: 5.80X5.80X1.00cm/2.28X2.28X0.39inch. - Note: Suitable for E27 lamp holder. - It is made of premium plastic material that is not easy to break and is strong and durable, which can serve you a long time. - It is designed to fix the E27 lamp holder, which is so practical and professional. - With simple structure, it is convenient and easy for you to install it by yourself at home. - It is very simple to use, it will not take you too much time, easy to install and easy to disassemble. - workmanship, details, can be seen everywhere. Selected materials, strong and durable, not easy to break. Package list: 20 x Lamp Holder Fixing Rings