Only sell the cap , not include the lens

Product model: Rear lens cap for CARL ZEISS PENTACON PB
Usage: Rotary tightening
Origin: self made,made by 3D print , made in china
Material: hard plastic
Note: Although the appearance is a little rough, the material is sufficient and it can stuck the lens steadily,any question connect me ,no retrun
post from China, it takes around 2-3 weeks to arrive