Material:Top Quality 304 Stainless Steel, Never Rusty.
Size:5 size Clamp Ring for choose
Ring Dimension
Diameter
Size 1: 38 mm (1.49 in);
Size 2: 41 mm (1.61 in);
Size 3: 51 mm (2.00 in);
Size 4: 57 mm (2.24 in)
Size 5: 62 mm (2.44 in)
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