Usage Tips:4-Pack MR11 Retaining Spring Ring Clip Diameter 42MM LED Halogen Bulb HolderHigh-quality clips for trouble-free useFast, simple and easy to use snap clipsEasy to use, fast and simpleThey will hold the bulb firmly.This applies to high pressure/low pressure lamp retaining spring clips.They can also be used with any other standard for LED or halogen bulbsMaterial manganese steel + high temperature electroplatingDurable: The LED downlight holder is made of stainless steel, so it has high corrosion resistance and strong oxidation resistance, and can be used for a long time.Use: Retaining spring clips to hold the bulb to prevent it from loosening or falling - hold the bulb firmly.Application: The diameter of the spotlight circlip bracket is mm, suitable for most lamps concealed downlights, LED or halogen bulbs, etc.Flexible: The fixed spring clip is thin and flexible, so it is easy to open and install. Simply insert the closed end of the clip into the circular groove in the lip of the bulb housing, squeeze the open ends of the clip together and push into the housing.COST-EFFECTIVE: Bright silver clasp/clasp/clip is perfect for replacing old clips that are damaged or lost. Can be used for a long time, saving you extra time and money.Lamp Holder Spring Clip Ring Buckle for Spotlight Bulb Holder LED Downlight Holder for Spotlight Recessed Downlight Halogen Bulb