Hoffman ES1224B250 Screw Pkg (250), #12-24, Steel/BlackScrew Packages are for mounting rack panels and equipment to rack angles. Product Specifications BRANDHoffman® MANUFACTURERS PART NUMBERES1224B250 CONSTRUCTIONSteel DESCRIPTION12-24 X 5/8 In. Combo Head QTY250 COLORBlack