The 12 Pack of URSA Mini Foamies Windscreens by Remote Audio is designed for smaller diameter microphones such as the DPA 6060, Sennheiser MKE1, Countryman B6, and Sanken COS11 mics. 

SKU U-FOAMIE-BLK, U-FOAMIE-WHT, URS MFBLK, URS MFWHT