Multiadapters RE933-06 - EPOXY fibre-glass FR4 1.50 mm double-sided 35 µm CU (pth) - Solder and component side with chem. NI/AU surface and solder stop mask - pitch: 0.65 mm (173 mil) - pins: 28 - hole dia 1.00 mm - size 21.00 x 23.