Hand Tools
Black ABS Rear Cap For C or Cs Mount Lens dust cover plastic caps M25.4 1" caps c-mount cs-mount
Black ABS Rear Cap For C or Cs Mount Lens dust cover plastic caps M25.4 1" caps c-mount cs-mount
https://www.bizrate.co.uk/handtools/black-abs-rear-cap-for-oid30548436332.html