1/4″ inch Male to 3/8″ inch Male 18mm Brass Tripod Thread Adapter. Adapts a 1/4″ Female thread to a 3/8″ Male thread or vice versa 3/8″ Female thread to a 1/4″ male thread.
End to end adapter 18.6mm
Diameter Wide 13mm nut.
Full Brass construction.
1 x 1/4″ inch Male to 3/8″ inch Male 18mm Brass.