Flat Washer, Flat Washer Type Oversized, Material Steel, Material Grade/Class Grade 2, Finish Zinc Plated, For Screw Size M12, Inside Diameter 12.5 mm, Outside Diameter 30 mm, Maximum Thickness 2 mm, System of Measurement Metric, Minimum Thickness 2 mm, Color Silver, Maximum Temperature 302 Degrees F, Minimum Temperature -58 Degrees F, Pack Size Small Pack, Package Quantity 100