Feature

●Male side: 40mm screw thread. Female side: 40.5mm screw thread.
●Material for metal,reliable performance.Durable. Heigth: 4mm (not including thread). Weight: 5g.
●Professional and practical design with beautiful appearance, easy to carry and use.
●Usually used in laboratories, schools, teachers, sample observation, eyepiece protection, etc.


Description

Note:
1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2. Please allow slight manual measurement deviation for the data.