Disc Spring Metric Disc Spring High Carbon Steel Finish Phosphate Min Inside Dia 14.3mm Max Outside Dia 25.7mm Thickness 0.40mm Overall Height 0.9mm Load @ Deflection (Lbs.) 64N Deflection @ Load 0.37mm Meets/Exceeds GB/T 1222-2007 ASTM-A684 Package Quantity 10