The range includes zinc plated steel Pozidriv double thread screws. Yellow, rust-resistant coating. Sizes: 3 x 16, 3 x 20, 3.5 x 25, 3.5 x 30, 4 x 30, 4 x 35, 4 x 40, 5 x 40, 5 x 50, 5 x 60 and 5 x 80. Handy boxed storage case.