See Drop-Down Selection:
CRNRW-15Y Waterproof Crown Diameter 4.00 mm Tube 1.60 mm Tap 10 or 0.90 mm - Gold Plated with Blue Stone
CRNRW-14W Waterproof Crown Diameter 4.00mm Tube 1.60 mm Tap 10 or 0.90 mm - Stainless Steel with Blue Stone
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