The ends are straight spring-loaded self-adjust to 17.2mm 18mm 19mm 20mm 21mm 22mm.
Spring bars are included, remember to tell us what size you need.
The length measured at the spring bars is 6 1/4" (158mm).
We can shorten it for no extra charge and might have links to add, send a message with length you need before purchase and we'll see if it can be done.
We've shown it with a watch so you can see how it works & looks when installed, watch not included.
