Stainless steel collated deck screw 4.2x55 stainless steel PH2

Collated stainless steel deck screw 4.2 x 55 mm, stainless steel, PH2. Senco Duraspin collated Hobau-type wood screw for, among other applications, pressure-treated/thermally modified wood, 55 x 4.2 mm, stainless steel (AISI 304/A2), Senco PH2 countersinking head, cutting tip. CE approved, service class 3.