Wedge Lock Washer Lock Washer Type Wedge Lock Finish Plain Material Stainless Steel For Screw Size 1 1/8 in Inside Diameter 1.24 in Outside Diameter 1.85 in Assembly Thickness 0.27 in Assembly Thickness Tolerance +/-0.02 in Dimensional Standards DIN 25201 Material Grade/Class 316 Pack Size Small Pack Rockwell Hardness HRC52 System of Measurement Inch Package Quantity 50