FR4,1.6mm, Double Sided Donut Board 100x100mm 

Specifications
 

Dimension : 10x10 cm / 3.9x3.9 inch (W x L)

Double Sided PCB
Hole ( row  x column ) : 37 x 35
Material : Fiber Glass FR4
Thickness : approx. 1.6mm
Hole Pitch :  2.54 mm
Hole Diameter : 1 mm
Mounting Hole Diameter :  3 mm
Color : Green Solder Mask, HASL