Inner Thread：M22.5 (0.5牙距)
Outer Thread：M39 (1牙距)
Height：4.5mm
Professional and practical design with beautiful appearance, easy to carry and use.
Usually used in laboratories, schools, teachers, sample observation, eyepiece protection, etc.
$110
Expected Availability: 2-3 Working Days
一般等待時間為兩至三個工作天。
如欲選購，請註明型號或Cap圖*
WhatsApp / Signal：5128-8255
