Tuning Haus F104v2 & TRF101 aluminium pivot
Tuning Haus now have a precision machined aluminium version of the popular Tamiya plastic pivot available as used on various F104v2 versions, the TRF101 and RM-01. The part is designed for use with the Tamiya plastic upper pivot, cap screws, and pivot ball and it makes for improved durability in the event of hard impacts.
Source: Tuning Haus [tuninghaus.com]