Datasheet Breadboard Type: WB-104+J Material: high class ABS plastic, Dimension: 220 x 150 x 31 mm, Distribution strips: 4 Distribution holes: 400, Terminal strips: 2, Terminal holes: 1280,. Aluminium plate thick: 1.5, Knob post: 3, Foot pads: 4 With skin packing Features of WISHBOARD WB-1XX series: 1. Board base use processed aluminium plate to stand high frequency and low static interference. 2. Spring contact use phosphor bronze/nickel silver, can stand operation more than 10,000 times. 3. Allow more application of DIP IC pins insertion. 4. Insertion Range: 20-29AWG(0.3-0.8mm) wire all dip size components acceptable.(special design over 10,000 insertion cycles.) Office: 4F-2, 333, FU-HSING N, RD., TAIPEI, TAIWAN, R.O.C. Tel: 886-2-27191369 Fax.: 886-2-2-7191366, WEB.: www.wishmaker.com.tw