Features: x MEGA-2560 R31 Prototype Screw Terminal Block Shield Board Kit for Arduino xIncludes prototype PCB, terminal block, female header xThe terminal module uses high-quality materials, fine workmanship, and is durable xConsists of screw terminal block, PCB carrier, and FR-4 fiberglass PCB xNot yet assembled you can use various mounting methods, flexible to use xDurable and practical to use Specifications: xColor: As pictures show xTerminal Block: Pitch: 3.5mm mini terminal block, total 84 pins (3-pin x 24, 2-pin x 6) Wire range: 26-16AWG, stripping length 5mm, M2 steel screws, pin header and brass bushing xPCB: Pad grid or pitch: 2.54mm, hole diameter: 0.8mm (approx.) Terminal block pitch: 3.5mm, hole diameter: 1.2mm (approx.) Dimensions: 12.024x7.72cm (approx.) xFemale Header: Pitch: 2.54mm, pin length: 15mm (approx.) Single row 10pin x 1, single row 8pin x 5, double row 18pin x 1 Package Content: 1 x Terminal Block Shield Board Kit Note: The actual color of the item may differ slightly from the pictures shown on the website due to many factors such as the brightness of your monitor and the brightness. Note: Data is all manual measurements, please allow an error of 1-3cm, due to the difference in light and display, there will be a certain color difference, subject to the physical object received.