BB830+SB830 Kit, Solderless BreadBoard with SB830 Solderable PCB, Both with 830 Point Pattern Test your circuit on the BB830. Move your parts to the SB830 and solder to make it permanent. The Solderable PC BreadBoard pattern matches the BB830. The SB830 has bonus two-hole pads along the centerline allowing DIL (dual in-line) headers to be used and bonus power rails. BreadBoard has White ABS plastic body with black printed legend and contacts are phosphor bronze with plated nickel finish. Rated for 50,000 insertions and 36 Volts, 2 Amps. PCB is a single-sided high-quality FR4 glass-epoxy circuit board, 1oz/ft2 copper with an anti-tarnish coating for easy soldering. Total of 360 0.042in holes, drilled on 0.1in (2.54mm) centers. Four mounting holes. Lead free and RoHS compatible. BreadBoard size: 6.5 x 2.2 x 0.3in (165.1 x 54.6 x 8.5mm). PCB size: 7.25 x 1.85 x 1/16in (184.2 x 47.0 x 1.6mm).