Support up to 64 pins QFP, TQFP, PQFP package IC with 0.8mm pitch, 38 pcs. of 0603 package, and some thru hole passive components. 22 ground holes are connected a copper plane on the bottom side. This is the older version of SchmartBoard. It requires expert soldering skills. For an easier and faster alternative consider the SchmartBoard|ez version of this product.