Specifications: Condition:100% Brand New Material: Copper Contents: In Total Quantity 300 Pcs Copper Sealing Washer 15 Pc – M20x26x1.5mm 15 Pc – M16x22x1.5mm 20 Pc – M16x22x1mm 25 Pc – M14x20x1mm 20 Pc – M12x18x1.5mm 25 Pc – M12x16x1mm 30 Pc – M10x14x1mm 30 Pc – M8x14x1mm 30 Pc – M8x12x1mm 30 Pc – M6x12x1mm 30 Pc – M6x10x1mm 30 Pc – M5x9x1mm Feature: .