Spring Lock Washer, Finish Zinc Plated, Material Spring Steel, For Screw Size M10, Inside Diameter 10.2 mm, Outside Diameter 18.1 mm, Maximum Thickness 2.2 mm, Minimum Thickness 2.2 mm, Color Silver, Dimensional Standards DIN 127 B, Material Grade/Class Not Graded, Pack Size Bulk Pack, Package Quantity 4000