Overview Product Description Welded Ring - 8mm(5/16") Thickness - 42.5mm(1-5/8") IDRound Welded Stainless Steel Ring8mm(5/16") Thickness42.5mm(1-5/8") Inner Diameter Product Videos Custom Field Product Reviews Write a Review Write a Review × Ronstan Ronstan Welded Ring - 8mm (5/16") Thickness - 42.5mm (1-5/8") ID Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *