The WBU-TJ is a 166 x 35.5 x 11mm Breadboard, made of high class POM plastic body with one distribution strip and 630 distribution holes. This board exquisite colour coordinates for easy recognition and comfortable colour to help operator for longer time and to avoid eye fatigue. Body use high class POM plastic steel material to avoid static interference and insertion hole can stand continuous. Spring contact use phosphor bronze/nickel silver, can stand operation more than 10,000 times. Allows more application of DIP IC pins insertion. This board is suitable for 20 to 29AWG wire all DIP size components.