SIMPLE INSTALLATION: This coupling ring is M42 M42 ring adapter, male to male, which is simple installation.
STURDY AND FIRM CONNECTION: Coupling ring adapter is made of aluminum alloy material, with precision machining, which is sturdy and durable. M42x0.75mm thread, ensures firm connection.
CONVENIENT AND RELIABLE: This male to male ring adapter is convenient and practical to use, which has reliable performance.
APPLICATION: This ring adapter can be adapted to filter adapter. Weight is about 11g, which is portable to carry.
SERVICE GUARANTEE: We have a professional customer service team. Please contact customer service in time if you have any questions, we will solve them as soon as possible. Hope you have a good shopping experience. Please allow a slight error due to manual measurement.