ITEM NAME:3pcs 400 Points Solderless Breadboard Protoboard PCB Test Tafel MGN.3 400 Hole Breadboard. Product Hole Number: 400 Holes. 2 Switchboard, Connection Point 100. 1: Suitable For Line Prototyping. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.