This is a cute half size breadboard, good for small projects. It's 2.2" x 3.4" ( 5.5 cm x 8.5 cm) with a standard double-strip in the middle and two power rails on both sides. You can pull the power rails off easily to make the breadboard as thin as 1.4" ( 3.5 cm) and stick it onto an Arduino protoshield. You can also cut these in half with a saw to create 2 tiny breadboards, or "snap" these breadboards together either way to make longer and/or wider breadboards.
Technical Details
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Dimensions: 2.2" x 3.4" ( 5.5 cm x 8.5 cm) 9.7 mm( 0.38 in) thick, including sticky foam on the bottom
Weight: 38.9 mm( 1.27 oz)