ITEM NAME:10 x 8.5 x 20 cm Breadboard Bread board circuit board strip strip board PCB D1D3 10 x 8.5 x 20 cm Breadboard Bread board circuit board strip strip board PCB D1D3 100% new Hole spacing: Standard 2.54 mm Thickness: approx 1.2 mm Hole diameter: approx 1 mm Size: approx 8.5 x 20 cm (W x L) Color: As shown in the photo Material: copper plate Package content: 10 x PCB board Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Material: copper plate. Size: approx 8.5 x 20 cm (W x L). Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. Hole spacing: Standard 2.54 mm.