This product is an SOIC to DIP adapter with a twist. These have our patented "ez" technology which means that soldering the surface mount component is simple, and as with all of our "ez" boards, we are the only company with a patented solution for easily soldering surface mount parts. This board is really six boards on one. It contains quantity 2 boards for SOT 23(up to 8 legs), with a .95mm pitch, quantity 2 boards for SOT 323, 353, 363 parts with a .65mm pitch and quantity 2 boards for SC70(up to 6 legs) with a .65 mm pitch. A standard row of 40 headers has been included as a bonus for your convenience.