M12 (12mm) Form A Washer Set (Flat Washer) Steel - Pack of 20 
 What’s Included – 20 – M12 (12mm) Form A Washers 
 M12 Washer Dimensions – (12mm Internal Diameter) 
 Material – High Quality Zinc Plated Steel, A Corrosion-Retardant plating provides protection from external elements and extends the life of the metal used in these M12 flat washer sets.