DIY Supplies : MetalworkingCertification : RoHSModel Number : M3 M4 M5 to M20is_customized : YesStainless steel Flat Washer Ultra thin gasket Ultra-thin shim M3 M4 M5 Thickness 0.1 0.2 0.3 0.5 1Size=dxdcxhInner Diameter=dOuter Diameter=dcThickness=hSUS304 Stainless steel Flat Washer Ultrathin gasket Thin shimThickness=0.1mm, 0.2mm, 0.3mm, 0.5mm, 1.0mm