Black Philips Bugle-Head Coarse Thread Sharp Point Drywall Screw 1-1/2" (100/pk) 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