Disc Spring Metric Disc Spring High Carbon Steel Finish Phosphate Min Inside Dia 70.5mm Max Outside Dia 109.0mm Thickness 1.25mm Overall Height 2.7mm Load @ Deflection (Lbs.) 356N Deflection @ Load 1.09mm Meets/Exceeds GB/T 1222-2007 ASTM-A684 Package Quantity 10