1.543 MASTER PLAIN BORE RING GAGE 1.5469 -.0039 OVERSIZE 1 35/64 39 mm 1.5430 | eBay
Ring hol metaal 39 mm 30 mm binnenmaats - Hobbydoos.nl
FKM O-ring 31 x 4mm (OD 39mm) 80 Shore A [10 Pieces] | Tameson.com
Amazon.com : (2 Pcs) 39-43MM Step-Up Ring Adapter, 39mm to 43mm Step Up Filter Ring, 39mm Male 43mm Female Stepping Up Ring for DSLR Camera Lens and ND UV CPL Infrared Filters :
39 Mm Large Round Ring Closed Ring Metal Jumbo Gold O Ring O - Etsy
Piston 39MM (B) Meteor Zundapp 1.5MM Ring - JMPB Parts
Sensei 39-46mm Aluminum Step-Up Ring SUR-3946 B&H Photo Video
4pcs 39mm Inner Size Round Ring 1.5 Inch Closed Ring Metal O - Etsy