Cavity fixing 1220104 (set of 100 pieces) is designed for lightweight installations in plasterboard, including wood screw (length: 35 mm, diameter 4.5 mm) with cross-slot Pozidriv 2 Color: white Material: Zinc. Electroplated steel screw Installation: Screw the TPD cavity fixing into the plasterboard. Mount the fixture by screwing the screw into the TPD