Answer
Oct 10, 2022 - 03:02 PM
Hello! Thank you for the questions.
You can view the "Product Spec Sheet" below in the product description.
You can view it here in the link below as well.
https://www.fhpkg.com/download/38-400...
It will show that the product is 40mm in Diameter.
If you still need further assistance please feel free to contact us Via Livechat Monday - Friday 8 AM to 4:30 PM. You can also reach us at customercare@fhpkg.com or call (951)-848-7680.
Thank you for reaching out, Hope to hear from you soon.