This is a standard two of each color sample pack. If you are looking for the kit where you pick each color, please search "DIN Rail Block Kit #2 Pick." The ten colors that come in this pack include: Beige, yellow, white, green, red, gray, black, orange, brown or blue. Items will be shipped out as pictured. Technical Data (UL) Rated Voltage: 600V Rate Current: 30A Conductor Cross-section, Solid (AWG): 22-10 Conductor Cross-section, Flexible (AWG): 22-10 Rated Impulse Withstand Voltage: 6KV Torque (N-m): 0.6 Screw: M3 Wire Strip Length: 9-11mm Insulating Material: PA TxHxW (mm): 6.1 x 39.6 x 40.35 (Individual Blocks) DIN Rail (mm): 35, 32 Jumper/Bridge: Press-fit/Insertion. This kit includes 20 DK4N Dinkle terminal blocks, 4 SS2 end brackets, 2 DK4NC end covers, 2 DSS4N-10P press-fit jumpers, 2 DK4N-PE Ground Blocks, 2 DK2.5NC-PE ground block covers, and an 8" piece of aluminum RoHS rail.