ITEM NAME:830 Point Solderless Breadboard 65Pcs Jumper Cable MB-102 Power Supply KBQ Descriptio n Product Name: Solderless Breadboard Product model: BB-601 Product size: 4.5*3.5*0.85cm Product number of holes: 830 holes Product List: Breadboard Kit*1 Scope of application: 1. Suitable for line prototype design, 2.ABS plastic panel, tinned phosphor bronze contact piece 3. Can be used with 20-29AWG wire 4. Voltage / current: 300V / 3-5A Whatever the ending's perfect or not, you can't disappear from my world 830 Point Solderless Breadboard 65Pcs Jumper Cable MB-102 Power Supply Module.Breadboard Kit 1. Product number of holes: 830 holes. We'd like to settle any problem in a friendly manner. Whatever the ending's perfect or not, you can't disappear from my world. Can be used with 20-29AWG wire.