35 inches long measured on metal channel of balance. Shoe matches your 15-004 and top matches 19-005 top. Option 3450. Clips 16-002. I will try to send pictures of top & bottom.
A quick learner from Tallahassee, FL says:
January 10, 2016
# D63067
Shoe is 1 3/32 deep as compared to measurements on 15-004. Top piece is slightly different than 19-005.
Paul from SWISCO responded:
January 12, 2016
Take a look at our Series 385 channel balance, this looks to be our best match.