4 Sided Round Microphone Flags Available in the following sizes and colors Mic Flag Diameter Mic Hole Size Color Stock Number 2.25" Round 1.625" Diameter White MF51-WH 2.25" Round 1.625" Diameter Black MF51-BK 2.50" Round 1.625" Diameter White MF52-WH 2.50" Round 1.625" Diameter Black MF52-BK

Mic Hole Size shows the largest possible diameter point at which a microphone will fit.