Packing: 1pc Size: 40mm x 100mm(1.59x3.9inch) Note: Due to the fact that some solder joints are very small, it is recommended to use a tip fixture to assist soldering. Packing: 1 piece Size: 40mm x 100mm(1.59x3.9inch) Soldering practice board, you can practice micro pin and pad soldering or large gauge wire soldering. There are various sizes of pads on it, suitable for novice soldering practice. Note: Due to the very small size of some of the solder joints, it is recommended to use a tip fixture to assist soldering.