Composition: Wing screws, rounded wings acc. to DIN 316 and wing nuts light (American) type Cast iron and steel class 04 zinc plated Contents: DIN 316: M5x16 / M6x10 -x20 -x30 / M8x20 -x30 Wing nuts: M4 / M5 / M6 / M8 / M10 / M12 417 pieces