3220 points round hole solderless experiment breadboard 

Product Name: 3220tie-points large solderless electronic Breadboard  Board size(cm): 18.8×18.4×0.85 Plate size(cm): 24×21×0.12 4 Terminal Strips, Tie-point 2520; 7 Distribution Strip,Tie-point 700; 4 Binding Posts; Paper Box; 1pc/ set plastic material Completely reusable Coloured coordinates for easy component placement Accepts a variety of wrie sizes(AWG:20-29) From the fron side, you can see clearly. First, with the self-adhesive paper, the breadboard sticks on the black plate. Then, use screw to fix strong. The hole is square. Inside the holes, it is spring clip. It is flexible. It accepts the electronic components which the pin is between AWG 20 and AWG 29. And the inside metal is with good quality. It can bear being inserted many times.…

PCB BOARD ROUND HOLE BREADBOARD