... kinds of specifications 3.Nails supply 20years Length 1'' 1.5'' 2'' 2.5'' 3'' 4'' Size:BWG8,10,11, Polished Common ... :used in industry,agriculture,building Our Common Nail is the best choice for customers, different sizes are available , ... withdrawalin pounds per inch of penetration perpendicular to the grain,into the main member,in Douglas FirRequiredpenetration.inchesload,pounds,in ...