Solderless & Solderable BreadBoards BPS Breadboards including transparent models are rated for 50,000 insertions. Projects built on the BB830 can be moved to the BR1 Solderable PC Breadboard and soldered to make a rugged and permanent prototype. The SB300 and SB400 PC series have the same layout as 300 and 400 tie-point breadboards. BPS offers models with mounting holes and top-side silkscreen.