Disc Spring, Belleville Spring Washer, Stainless Steel, Finish Plain, Min. Inside Dia. 0.317 In, Max. Outside Dia. 0.937 In, Thickness 0.045 In, Overall Height 0.067 In, Load at Deflection 218 Lbs., Deflection at Load 0.011 In, Calculated Load at Flat 395 Lbs., Package Quantity 10