One side of the adapter board is SOP816 (1.27mm pitch) to DIP16 (2.54mm pitch), the other side is SSOP16 / TSSOP16 (0.65mm pitch) to DIP16 (2.54mm pitch). It is dual-side, unique design which can be compatible with more ICs.The 1x8P gold-plated pin header is durable, easy on the tin. After solde..