Hood mount protector ring for Voigtlander 35mm F1.5 Nokton Leica M mount lens. This protector ring is providing following features: completely covering shiny chrome ring making lens all black and more discrete protecting hood mount petals from accidental hits when hood is not in use has sleek minimalistic design to minimize rangefinder obstruction is easily mounting on with clockwise rotation like mounting on lens hood has 41mm inner diameter allowing 39mm filter to be mounted on lens Made out of pla + I am teaching my son how to 3d print for his business class were always up for a challenge were in Texas so everything made is USA!