Specifications: Hole Pitch/Style: 0.1″ (2.54 mm), Square Wire Holes ABS Heat Distortion Temperature: 84° C. (183° F.) Spring Clip Contact: Phosphor Bronze with Plated Nickel Finish Contact Life: 50,000 insertions Rating: 36 Volts, 2 Amps Practical and useful Solderless breadboard with 840 points Completely reusable and have a self-adhesive back Easy component placement