Protobloc 2A RVFM RH 21B P This protobloc 2A breadboard h21b features 4 rows of 50 interconnected sockets suitable for use as power supply rails All positions are clearly defined on an alphanumeric grid P P The ABS polymer board is mounted onto a rigid base plate complete with three 4mm terminals in red black and green for power connections A mounting bracket which clips into the base is also provided to accept a variety of components including switches and potentiometers etc P
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