2 Pack Beta87a Microphone Grille for SHURE RK312 BETA87 GRILLE Replacement come with Blue ring, Brand new made in China. Please note that it's NOT made by Shure Replacement for SShure Beta87, Beta87A, Beta87C Microphones New replacement microphone grille (ball) with built-in foam windscreen Die-cast zinc sphere retainer rings. With inner foam filter to reduce wind, breath, and pop noises. Standard thread size fits most brand name ball-shaped dynamic microphones. This ball has a standard thread size that will fit many microphones, such as: Beta87 series - Beta87, Beta87A, Beta87C , and other microphones with the same threading. NOTE: These do NOT fit the smaller diameter Beta 56,57, etc. Now you can replace those old smashed up and bent screens with these brand new models. Make your microphones look just like new again!