830 tie point solderless breadboard with 2 buss strips, mounted on aluminum plate. Includes 3 binding posts & 70 jumper wires. Features: ABS plastic body, Nickel plated phosphor bronze contacts. Contact resistance less than 1 milliohm @ 1kHz. Tested for over 10,000 cycles, Suitable for 19-29 AWG wire & all DIP size components