Mini WindCutter Microphone Windscreen for small Lavalier mics (Set of TWO) - Reduce wind noise rumble! An indispensable tool for reducing unwanted wind noise while recording outdoors Our Mini Size Lavalier model WindCutter fits most smaller type lavalier, lapel or pin-on microphones up to 5/16" diameter x 5/8" long.. An elastic opening provides a slip-free fit to accommodate virtually any lavalier microphone. Made from acoustically transparent synthetic fur.