Wedge Lock Washer Lock Washer Type Wedge Lock Finish Delta Protect Material Steel For Screw Size 7/8 in Inside Diameter 0.92 in Outside Diameter 1.36 in Assembly Thickness 0.13 in Assembly Thickness Tolerance +/-0.01 in Color Silver Dimensional Standards DIN 25201 Material Grade/Class Not Graded Pack Size Small Pack Rockwell Hardness HRC46 System of Measurement Metric Package Quantity 2