Disc Spring, Clover Dome, Stainless Steel, Finish Plain, Min. Inside Dia. 0.255 In, Max. Outside Dia. 0.5 In, Thickness 0.018 In, Overall Height 0.046 In, Load at Deflection 8.1 Lbs., Deflection at Load 0.021 In, Spring Rate 1710 Lbs./In., Package Quantity 10