20mm toroidal ring (inner Dimension) made of V4A stainless steel, welded - 50 pieces 20mm toroidal ring (inner Dimension) made of V4A stainless steel, welded - 50 pieces Product detailsManufacturer Product details Toroidal ring welded made of V4A stainless steel AISI 316. dimensions: A = 20mm, B = 26mm, C = 3mm The price is valid for 50 pieces. Manufacturer