Based on this product's specifications, here are some alternatives and similar models
RØDE SM4-R microphone part/accessory compatible with M5 NTG series
Summary description:
The RØDE SM4-R is a microphone part/accessory designed for compatibility with M5, NT5, NT55, NTG1, NTG2, NTG3, NTG4, and NTG4+ models. It features a sleek black design with dimensions of 117 mm in length, 35 mm in width, and 110 mm in height, making it a compact and essential accessory for audio professionals.