Amazon.com : (2 Pcs) 49-52MM Step-Up Ring Adapter, 49mm to 52mm Step Up Filter Ring, 49mm Male 52mm Female Stepping Up Ring for DSLR Camera Lens and ND UV CPL Infrared Filters :
Dainty 4mm Round Cut Ruby Diamond Wedding Ring In Yellow Gold| BBBGEM
18KT Les Must de Cartier Trinity Ring, Size 49 – KFK, Inc.
Platinum Diamond Ring for Women JL PT LR 49 – Jewelove.US
PolarPro Brass Step-Up Ring (49-67mm) 49-67-SUR B&H Photo Video
Cartier Rose Gold Plain Love Ring Size 49 B4084800 | Rich Diamonds
Large Multi Colored Eternity Band- Eriness Jewelry
New 2023 Brass Filter Adapter Ring Step-Up Ring - KENTFAITH
Estate San Francisco 49'ers Gold and Diamond Ring, circa 1980s
18KT Les Must de Cartier Trinity Ring, Size 49 – KFK, Inc.