Disc Spring, Belleville Spring Washer, Stainless Steel, Finish Plain, Min. Inside Dia. 0.532 In, Max. Outside Dia. 1 In, Thickness 0.062 In, Overall Height 0.085 In, Load at Deflection 799 Lbs., Deflection at Load 0.018 In, Calculated Load at Flat 1090 Lbs., Package Quantity 10