Split Lock Washer Lock Washer Type Split Lock Finish Hot Dipped Galvanized Material Steel For Screw Size 7/8 in Inside Diameter 0.878 in Outside Diameter 1.459 in Maximum Thickness 0.219 in Minimum Thickness 0.219 in Dimensional Standards ASME B18.21.1 Material Grade/Class Not Graded Pack Size Small Pack Rockwell Hardness C38 Package Quantity 5