Wedge Lock Washer Lock Washer Type Wedge Lock Finish Plain Material Stainless Steel For Screw Size 1 in Inside Diameter 1.1 in Outside Diameter 1.54 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 HRC52 System of Measurement Inch Package Quantity 2