SpecificationProcessing Technology: surface anti-rust treatment, cuttingMaterial: 304/316 materialColor: silverQuantity: 180 Size: M2.5, M3, M4, M5, M6, M8, M10, M12Application Scenarios: construction, home improvement, machinery and equipmentPacking includes20 x M2.540 x M340 x M440 x M525 x M65 x M85 x M105 x M12