The PCB board has two sides. One side for pin pitch size 0.65mm the other side for pin pitch size 1.27mm. Each borad has 8 pins. It is compatible with 2 to 8 pins (6 pins 4 pins).
Front side for pin pitch size 1.27mm It can be used for most of the SO??SOP??SOIC to 2.54mm DIP.
Opposite side for pin pitch size 0.65mm It can be used for most of the SSOP??TSSOP??MSOP to 2.54mm DIP.