Atron Electro Industries LA321 Lamp Socket Ring Fastener, 1 - 3/4-in, Black

This black lamp socket ring fastener from Atron securely holds lamp shades in place for a tight fit. Made from phenolic material that withstands impacts and chemicals, this unit won't let your lamp shade slip anytime soon. At just under 2 inches wide, it's a subtle yet effective solution to keeping your lamp shades exactly where they should be. Prevent hassles and keep your lighting setup secure with this simple fastener.