kuman Screw Shield Expansion Board for Arduino,UNO R3 KY02 (2PCS) Kuman screw shield is a terminal expansion board that can be screwed directly to the terminal on the thread Reliable and convenient, It can be plugged into the Arduino controller directly. It also offers a good olution for connecting more Arduino components with the Arduino controller New Vision UNO R3 compatible. Direct plug puzzle board, NO soldering needed