We have the manufacture factory, making productions and selling by ourselves. So we can control the quality of our productions by ourselves for you. We’d like to receive your valuable suggestions for our products and make your idea come true. 830 tie points total. 200 in 2 power rails, 630 in a 30 x 10 matrix White plastic, with black legend. Colored power rails For wires 21 to 26 AWG 2-sided peelable adhesive tape Component listing: 3pcs 830 tie-points breadboard