The Drill-Tec Heavy Duty ASAP 2S is a Drill-Tec Heavy Duty #14 Fastener assembled with a Drill-Tec 2" Galvalume Barbed Plate. The Drill-Tec Heavy Duty ASAP 2S (Assembled Screw and 2" Steel Barbed Plate) is designed to secure single-ply membrane to steel and wood substrates.