Features: Make of Enduring PCB, with good heat resistance and cold resistance. Easy to weld, safe to use, spirals wire is not easy to unplug. Available in 2pin, 3pin, and 4pin configurations, catering to a wide ranges of circuit designs. 5.0mm Pitches ensures a secure and dependable connection for your electronic components. Package Includes: 80pcs 2Pin Screw Terminals Block, 15pcs 3Pin Screw Terminals Block, 5pcs 4Pin Screw Terminals Block. Specifications: Material: PCB Size: As shown in the picture Model: 2/3/4pin Pitches: 5mm Package Includes: 80Pcs 2Pin Screw Terminals Block 15Pcs 3Pin Screw Terminals Block 5Pcs 4Pin Screw Terminals Block note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.