Disc Spring Metric Disc Spring High Carbon Steel Finish Phosphate Min Inside Dia 161.0mm Max Outside Dia 223.0mm Thickness 2.25mm Overall Height 1.8mm Load @ Deflection (Lbs.) 933N Deflection @ Load 1.76mm Meets/Exceeds GB/T 1222-2007 ASTM-A684 Package Quantity 10