Metric Carbon Steel Belleville Spring Washers, 4.2 millimeters Inner Diameter, 8 millimeters Outside Diameter, 0.6 millimeters Free Height, 0.45 millimeters Compressed Height, 210 newtons Max. Load (Pack of 10)

302 Stainless Steel Belleville Spring Washers, 1 inches Inner Diameter, 2 inches Outside Diameter, 0.13 inches Free Height, 0.098 inches Compressed Height, 590.5 foot_pounds Max. Load (Pack of 10)