Disc Spring,Metric Disc Spring,High Carbon Steel,Finish Plain,Min. Inside Dia. 40.5mm,Max. Outside Dia. 61.5mm,Thickness 0.70mm,Overall Height 1.8mm,Load @ Deflection (Lbs.) 186N,Deflection @ Load 0.82mm,Meets/Exceeds GB/T 1222-2007,Package Quantity 10