PRO GL-12 Transparent Solderless Plug-in BreadBoard, 128 GROUP OF 5 CONNECTED TERMINALS,8 BUS OF 25 CONNECTED TERMINALS, 4 power rails, 6.9 x 2.6 x 0.3in (175 x 67 x 8mm) 128 GROUP OF 5 CONNECTED TERMINALS,8 BUS OF 25 CONNECTED TERMINALS, 4 power rails, 6.9 x 2.6 x 0.3in (175 x 67 x 8mm)128 GROUP OF 5 CONNECTED TERMINALS,8 BUS OF 25 CONNECTED TERMINALS, 4 power rails, 6.9 x 2.6 x 0.3in (175 x 67 x 8mm) Contacts are Plated Nickel Finish, rated for 50,000 insertions Rated at 36 Volts, 2 Amps. A peelable adhesive tape backing is provided for attaching it to a surface.