TA1FD350A, Lug for FD-Frame breaker, Line and Load side.  #6-350 kcmil CU, #4-350 kcmil Al.  Siemens.  Factory new.

Breaker frames: FD63F250, HFD63F250, HHFD63F250, FD62F250, HFD62F250, HHFD62F250

Trip units: FD63T080, FD63T090, FD63T100, FD63T125, FD63T150, FD63T175, FD63T200, FD63T225, FD63T250, FD62T100, FD62T125, FD62T150, FD62T175, FD62T200, FD62T250