Quik Drive HG112WSBLACK Metal Roofing and Siding Screw, Black Painted 1/4-Inch Hex Drive by 1 1/2-Inch with EPDM-Backed Washer Coarse threads with type 17 point N2000 Mechanically Galvanized Corrosion Protection Neoprene-backed and painted washer Over 20 different Colors Available For Use in Quik Drive PROHX14 System uses 1/4" Hex Drive Bit BITHEX14