The product is 5 LB, 10 x 4.5", Drywall Screws, Black Phosphate Coarse .. Easy and simple use kit. The product is manufactured in China.
Coarse Threaded Phosphate-Plated Steel Phillips Drive Drywall Screws feature horizontal indentations that help to securely fasten gypsum (drywall) boards to wood studs. Coarse thread screws are more popular, have higher pullout values and are faster driving. Used in commercial applications.