Lock Washer Lock Washer Type Wedge Lock Finish Plain Material Stainless Steel For Screw Size 24 mm Inside Diameter 25.78 mm Outside Diameter 41.3 mm Assembly Thickness 6.1 mm Color Silver Material Grade/Class Not Graded Pack Size Small Pack Resistance Properties Shock Resistant Vibration Resistant Rockwell Hardness HRC25 System of Measurement Metric Package Quantity 50