Description Get your project up and running with these screw terminal blocks. The kit includes 25 - 2 pole and 25 - 3 pole terminal blocks for a total of 50 pieces. The pitch pin spacing for these terminal blocks is 2.54mm. They can be soldered in place also pin spacing will fit the standard breadboard. Features - Color: Green. - Material: Copper. - Size: 0.80 x 0.80 x 0.60cm/ 0.31 x 0.31 x 0.24 inch. - Applied to PCB wiring, easy to welding, stable and reliable, spiral wire is not easy to take off the line. - Used widely in the electronics, communication equipments, instruments, calculator, automatic control system, domestic appliance and warning devices, etc. - terminal block, it is durable and wear resistant for long-term use. - The terminal blocks are flame retardant engineering materials, with excellent flame retardant and impact resistance. - High-quality brass guide, excellent electrical conductivity, the appearance of plated, rust and durable.Package listing: 25 x 2P terminal blocks 25 x 3P terminal blocks