treated with flux These universal boards are treated with flux for easy soldering and can extended the serving life.. perfect for point to point soldering This universal circuit board is used for point to point DIY soldering,neat holes can help you to improve your efficiency.. referencing numbers printed There are referencing numbers printed on both sides of these universal PCB for easy reference of individual holes, more convenient to use.. pre-drilled and cleaned These prototype circuit board is pre-drilled and cleaned, more convenient to use.. 10pcs/set There are 10 pieces double sided PCB prototype boards, a good assortment to meet your design demands such as electronic experiments and DIY projects..
