840 Tie Point Prototyping Board

A plug block board which can be used and re-used for circuit prototyping prior to soldering the project permanently. There are of 840 holes (known also as tie points) which are arranged as two sets of 64 rows of 5 interconnected contact sockets and 4 rows of 50 interconnected sockets on the edge of the board which are suitable for use as power supply rails.
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