High quality wood screws plasterboard screws of all sizes Product name: Gypsum screw Surface: Black, sparse lace Dimensions: Diameter 3.5 mm, length 25 mm Material: Steel, Carbon steel, stainless steel Packing: carton/bag Product name: Gypsum screw Surface: Black, sparse lace Dimensions: Diameter 3.5 mm, length 25 mm Material: Steel, Carbon steel, stainless steel Packing: carton/bag