The original factory-installed film advance lever retaining rings are made of aluminum alloy.
Brass Film Advance Lever Retaining Ring Shutter Button Guard Ring for Leica M7
Brass Film Advance Lever Retaining Ring for Leica M1 M2 M3 M4 M6 M6j TTL MP MA
New Nikon Film Advance Lever (Black) - For Nikon F2 Series - A Rare Spare Part!
New Nikon Film Advance Lever (Chrome) - For Nikon F2 Series - A Rare Spare Part!
Film Advance Lever Brass Retaining Ring for Leica M1 M2 M3 M4 M6 M6j TTL MP MA
CANON AE-1 PROGRAM FILM SLR FILM ADVANCE LEVER
