This adaptor is made of two pieces a 58"" bushing with a 38"" female attachment to connect it to a tripod and a removable plate 124mm diameter with a 58"" male thread that should stay connected to the equipment. With the 324 it is possible to transform any Manfrotto tripod into a tripod compatible with the standard attachment interface system used in the survey and measuring industry.
Price: £64.00 from Wex Photographic
Manfrotto Survey Plate Spare Plate. Aluminium construction, 58"" screw attachment on top, and 38"" female thread on base.
Converts tripod head screw from 38"" threads to 58"". Material Aluminium. Attachment top 58'' screw. Attachment bottom 38"" female thread