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
Film Advance Lever Brass Retaining Ring for Leica M1 M2 M3 M4 M6 M6j TTL MP MA
3D Printed Mamiya 645 Super Pro TL Film Advance Crank Knob
[Near MINT] Mamiya Film Advance Crank AC401 for M645 Super 645 Pro TL From JAPAN
Film Advance Lever Replacement Metal for leica M8 M9 M3 M4 M4-2 M4-p M6 Camera
![[Near MINT] Mamiya Film Advance Crank AC401 for M645 Super 645 Pro TL From JAPAN](https://images.buynet.work/thumb.php?i=369281941&s=240)
