SpecificationItems: Thread insert nuts setMaterial: Zinc alloyMeasurement system: MetricDrive type: Hexagon wrenchSpecific uses for product: WoodThread: right-handPackage listM4*8---------------------------40pcsM4*10--------------------------40pcsM5*10--------------------------30pcsM6*10--------------------------15pcsM6*15--------------------------20pcsM8*20--------------------------20pcs