Overview Product Description Material: A2 Stainless Steel Type - Internal & External Shakeproof Washers For Metric Bolts DIN 6797 J Product Videos Custom Field Product Reviews Write a Review Write a Review × Metric A2 Grade Stainless Steel Internal Serrated Shakeproof Washers DIN6797J Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *