CJRSLRB Breadboard 830 Point Solderless Prototype PCB Bread Board MB-102 MB102 Test Develop DIY 830 tie points total. 200 in 2 power rails, 630 in a 30 x 10 matrix White ABS plastic body with black printed legend. Color legend on distribution strips. Contacts are Phosphor Bronze with Plated Nickel Finish, rated for 50,000 insertions. Rated at 36 Volts, 2 Amps. 2-sided peelable adhesive tape Double sided tape on bottom. Can be fixed on a flat surface