・Buckle Extension ・Buckle Extender ・Belt Extender 　Attachment Size: 18mm 　*This is the inner width of the buckle part. 　Maximum Extension Width: Approx. 17mm This is a part to extend a short metal watch band. Instead of adding links, it extends the size by stretching the buckle part. This is a convenient helper part that allows you to easily extend the band by 17mm, even if you don't have compatible spare links. Now you can use your favorite original watch band! w Please note that the 18mm attachment size is not the lug width. It is the inner dimension of the buckle part where it attaches. ◾️We do not accept returns or exchanges for reasons such as "purchased the wrong size." Please confirm carefully before purchasing. ◾️This is a general-purpose part, not a custom-designed part. Installation may require some skill, adjustment, or modification. Please consider purchasing after fully understanding this. If you are unable to file down corners with a file or enlarge holes, or if you are not good at figuring out how to install things, please refrain from purchasing. *Ships via standard mail. No guarantee against postal accidents. We can accommodate changes in shipping method for an additional fee, so please consult us in advance. *Postal delivery to remote islands is taking a very long time. Delivery to Okinawa Prefecture has taken up to two weeks. We cannot respond to complaints about slow delivery. Thank you for your understanding.