Flat Washer, Flat Washer Type Oversized, Material Steel, Material Grade/Class Not Applicable, Finish Zinc-Plated, For Screw Size M16, Inside Diameter 16.5 mm, Outside Diameter 40 mm, Maximum Thickness 2.5 mm, System of Measurement Metric, Minimum Thickness 2.5 mm, Color Silver, Material Quality Standards Not Applicable, Maximum Temperature 302 Degrees F, Minimum Temperature -58 Degrees F, Pack Size Small Pack, Package Quantity 100