They are 1 to 1 inch, convert to metric - scale up by 25.4 to get to mm
Alan
Via http://www.whitearmor.net/forum/index.php?/topic/35135-DLT-19-3D-Model#entry463604
Thanks for your help. It is for adjustment but it uses velcro tape for thr adjustment. When ever you pull away to make an adjustment it pulls off the velcro tape.