Feature●Multi-purpose screws for use on commercial and residential construction jobs●Typically used for attaching drywall, sheetrock, sheathing, Durock and Hardie Board●Black Phosphate Coated for improved paint and mud adhesion●1-1/2" Length●Package of 100Description Multi-purpose screws for use on commercial and residential construction jobs Typically used for attaching drywall, sheetrock, sheathing, Durock and Hardie Board Black Phosphate Coated for improved paint and mud adhesion 1-1/2" Length Package of 100