STYLE:ULTRAWING QUICK CHANGE WIDTH: 10 " ATTACHMENT:QC BRACKET QUICK ATTACH Detailed product description:1.ISO9000 Certificate2.SGS Certificate3.Lower price4.Short delivery time5.Many types to choose6.Package:carton box or wooden or iron case7.Material: spring steel 28MnSiB or 60Si2Mn8.Thickness:3-8mm9.Hardness: HRC44-4810.Hole size:Full size11.Coating:stoving varnishWe accpt OEM and ODM order , ...