This is a 100% authentic Promaster 52mm-62mm Step Up Ring . It is made out of high quality materials that make it breathable, durable, and long-lasting. To make it more comfortable, the Promaster 52mm-62mm Step Up Ring item has a fabric that prevents it from chafe.
Promaster 4998 52mm-62mm Step Up Ring
A perfect complement to the ProMaster filter line. ProMaster Stepping Rings are precision machined to properly convert the thread size of your filter and/or lens.