Feature: Brand new and high quality. Design your own Pi HAT, attach custom circuitry and otherwise dress your Pi A+, B+, or Pi 2 and Pi 3 with this prototyping HAT kit To off the HAT party, we have this inspired plug in board. It has a grid of 0.1 inch prototyping soldering holes for attaching chips, resistors, LED, Potentiometers and more. The holes are connected underneath with traces to mimic the solderless breadboards you're familiar. There's also long power strips for +3V, +5V and Ground connections to the Pi. Near the top we break out nearly pin Color: picture color Material: PC + metal Package Contents: 1* HAT 1*20x20Pin 4*Nut 4*Screw 4*Stud Bool Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.