Seamless interlocking breadboard with 400 binding points is half size, ideal for small projects. It measures 8.2 cm x 6.2 cm with a standard double strip in the middle and two feed rails on both sides. You can easily remove the power bars to obtain a needle board with a thickness of 3.5 cm and stick it on an Arduino protective shield. You can also cut them in half with a saw to create 2 tiny Breadboards, or "assemble" these boards together so as to obtain longer or wider Breadboards. [Characteristics] 400 bonding point Self-adhesive, sticker Can be nested for larger projects 2 power lines Horizontal: 1-30 Vertical: AJ Dimensions: 8.2 cm x 6.2 cm (3.2 inches x 2 inches)