Color Red Brand Robotale Model Proto Screw Shield Quantity 1 Piece Material FR4 English Manual / Spec No Other Features Stud prototype expansion board of Arduino Proto Screw Shield Assembled; The thread can be screwed directly onto the terminal; Belong Arduino Screw Shield and Arduino ProtoShield prototype expansion board assemblies; To provide terminal IO for Arduino; Premium 3.81 Stud; Combined with the Proto Shield the middle can be used as a prototype expansion board; Double-sided can be soldering components; Patch pad on the back IO; Convenient to operate. Packing List 1 x Module