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. These can be soldered in place on a printed circuit board and will accept a stranded or solid core wire. The terminal block will accommodate wire sizes from 26 to 18 AWG, with maximum ratings of 150 Volts and 6 Amps. This product is made in China.