![Amazon.com : (2 Pcs) 52-72MM Step-Up Ring Adapter, 52mm to 72mm Step Up Filter Ring, 52 mm Male 72 mm Female Stepping Up Ring for DSLR Camera Lens and ND UV CPL Amazon.com : (2 Pcs) 52-72MM Step-Up Ring Adapter, 52mm to 72mm Step Up Filter Ring, 52 mm Male 72 mm Female Stepping Up Ring for DSLR Camera Lens and ND UV CPL](https://m.media-amazon.com/images/I/61EGQxTpXOL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : (2 Pcs) 52-72MM Step-Up Ring Adapter, 52mm to 72mm Step Up Filter Ring, 52 mm Male 72 mm Female Stepping Up Ring for DSLR Camera Lens and ND UV CPL
![Amazon.com : ProOptic Step-Down Adapter Ring 58mm Lens to 52mm Filter Size : Flash Adapter Rings : Electronics Amazon.com : ProOptic Step-Down Adapter Ring 58mm Lens to 52mm Filter Size : Flash Adapter Rings : Electronics](https://m.media-amazon.com/images/I/815Go064SwL._AC_UF894,1000_QL80_.jpg)
Amazon.com : ProOptic Step-Down Adapter Ring 58mm Lens to 52mm Filter Size : Flash Adapter Rings : Electronics
![uxcell Nitrile Rubber O-Rings, 52mm OD 46mm ID 3mm Width, Metric Sealing Gasket, Pack of 10: Amazon.com: Industrial & Scientific uxcell Nitrile Rubber O-Rings, 52mm OD 46mm ID 3mm Width, Metric Sealing Gasket, Pack of 10: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51ejSGi2YZL._AC_UF1000,1000_QL80_.jpg)
uxcell Nitrile Rubber O-Rings, 52mm OD 46mm ID 3mm Width, Metric Sealing Gasket, Pack of 10: Amazon.com: Industrial & Scientific
![OD3mm~52mm*1mm thickness/CS Green FKM o rings Oil resistant acid and alkali resistant sealing Gasket FPM o-ring - AliExpress OD3mm~52mm*1mm thickness/CS Green FKM o rings Oil resistant acid and alkali resistant sealing Gasket FPM o-ring - AliExpress](https://ae01.alicdn.com/kf/H232ffbaec6cd412dafa76b0aeb1e3463V/OD3mm-52mm-1mm-thickness-CS-Green-FKM-o-rings-Oil-resistant-acid-and-alkali-resistant-sealing.jpg)
OD3mm~52mm*1mm thickness/CS Green FKM o rings Oil resistant acid and alkali resistant sealing Gasket FPM o-ring - AliExpress
![TILTA lens ring for MB-T15 Mini Dslr Matte box 55mm 58mm 77mm 67mm 82mm 58mm 55mm 52mm 85mm 62mm TILTAING - AliExpress TILTA lens ring for MB-T15 Mini Dslr Matte box 55mm 58mm 77mm 67mm 82mm 58mm 55mm 52mm 85mm 62mm TILTAING - AliExpress](https://ae01.alicdn.com/kf/H04d380743fc04b7db0955ff8f71b813dw/TILTA-lens-ring-for-MB-T15-Mini-Dslr-Matte-box-55mm-58mm-77mm-67mm-82mm-58mm.jpg)
TILTA lens ring for MB-T15 Mini Dslr Matte box 55mm 58mm 77mm 67mm 82mm 58mm 55mm 52mm 85mm 62mm TILTAING - AliExpress
![3pcs/set 42mm 47mm 48mm 51mm 52mm 65mm Piston Rings Pneumatic Part For Air Compressor Cylinder Replacements - AliExpress 3pcs/set 42mm 47mm 48mm 51mm 52mm 65mm Piston Rings Pneumatic Part For Air Compressor Cylinder Replacements - AliExpress](https://ae01.alicdn.com/kf/S143d772f1d924cb3bef06610d20dd0d44/3pcs-set-42mm-47mm-48mm-51mm-52mm-65mm-Piston-Rings-Pneumatic-Part-For-Air-Compressor-Cylinder.jpeg)