(It is mainly for your piece of mind and comfort.). Nickel titanium. Material: Nickel titanium. Nature Form/Round /Ovoid. Nature Form. 0.20 Upper, 0.20 Lower. 0.18 Upper, 0.18 Lower.
(It is mainly for your piece of mind and comfort.). Nickel titanium. Material: Nickel titanium. Nature Form/Round /Ovoid. Nature Form. 0.20 Upper, 0.20 Lower. 0.18 Upper, 0.18 Lower.