dimension: 5x7 4x6 3x7 2x8 cm
<br />material : double Side Copper PCB
<br />Hole Dia:about 1mm
<br />hole pitch : standard 2.54mm
<br />quantity :20pcs
<br />for point to point DIY soldering 
<br />Packaging List:
<br />5 *  PROTOTYPE PCB 5*7
<br />5 *  PROTOTYPE PCB 4*6
<br />5 *  PROTOTYPE PCB 3*7
<br />5 *  PROTOTYPE PCB 2*8<p> <b><b><img src="https://contestimg.wish.com/api/webimage/583aead70d446347ac8a3b13-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/583aead70d446347ac8a3b13-1-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/583aead70d446347ac8a3b13-2-large.jpg></b></b></p>