Split Lock Washer Finish Plain Material Stainless Steel For Screw Size 3/8 in Inside Diameter 0.377 in Outside Diameter 0.55 in Maximum Thickness 0.125 in Minimum Thickness 0.125 in Color Silver Dimensional Standards ASME B18.21.1 Inside Diameter Tolerance 0.377 in to 0.385 in Made in North America No Manufacturer Location Globally Sourced Material Grade/Class 18-8 Maximum Temperature Not Applicable Minimum Temperature Not Applicable Outside Diameter Tolerance 0.550 in