Composition: Mudwing repair washers and plain washers d2 ≈ 3xd1 acc. to DIN 9021 Steel zinc plated Contents: Mudwing repair washers: M4x20 / M5x20 / M6x25 -x30 / M8x30 / M10x30 / M12x36 DIN 9021: M4x12 / M5x15 / M6x18 / M8x24 / M10x24 1300 pieces