Material:Top Quality 304 Stainless Steel, Never Rusty.
Size:5 size Clamp Ring for choose
Size 1: Small 1.48 inch / 38mm
Size 2: Medium 1.61 inch / 41mm
Size 3: Large 1.99 inch / 51mm
Size 4: Extra Large 2.24 inch / 57mm
Size 5: Super Large 2.44 inch / 62mm
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