Split Lock Washer Lock Washer Type Split Lock Finish Zinc Yellow Material Steel For Screw Size 1 1/4 in Inside Diameter 1.254 in Outside Diameter 2.036 in Maximum Thickness 0.312 in Minimum Thickness 0.312 in Color Silver Dimensional Standards ASME B18.21.1 Inside Diameter Tolerance 1.254 in to 1.280 in Made in North America No Manufacturer Location Globally Sourced Material Grade/Class Grade 2 Maximum Temperature Not Applicable Minimum Temperature Not Applicable