Features: High quality breadboard, stable performance, long service life. Tin-plated finish for easy soldering. Anti-aging, corrosion resistant. Standard hole spacing 2.54mm Perfect for electrical experiments, electronic factories, etc. Technical data: material: fibreglass size: 8 x 12 cm hole diameter: 1.0 mm ± 5 % hole spacing: 2.54 mm thickness: 1.6 mm quantity: 10 pieces list of packages: 10 x pegboard