For Arduino MEGA2560 R31 Prototype Screw Terminal Shield Board Kit Includes prototype PCB, terminal blocks, female sockets The terminal module is made of high-quality materials, with fine workmanship and durable Consists of screw terminal block, PCB carrier, FR-4 glass fiber PCB Durable and practical Specification: Junction Box: Pitch: 3.5mm mini terminal block, a total of 84 pins (3 pole x 24, 2 pole x 6) Wire range: 26~16AWG, strip length 5mm, screw M2 steel, pin head and cage brass PCB: Pad mesh/spacing: 2.54mm, hole diameter: 0.8mm (approx.) Terminal block spacing: 3.5mm, hole diameter: 1.2mm (approx.) Female socket: Pitch: 2.54mm, Pin Length: 15mm (approx.) Single row 10pin x1pcs, single row 8pin x5pcs, double row 18pin x1pcs colour: green Material: PCB Size: 13x7cm Package Contents: 5 x Terminal Block Shield Board