1Beautiful Appearance: Bezel insert ring with black and blue base, white characters, overall looks exquisite, make watch dial more beautiful. 2Size: Watch bezel insert ring outer diameter is 38mm, inner diameter is 30.6mm, which is a wonderful replacement part for the old or broken one. 3Prevent Scratches: Watch bezel can prevents daily scratches and provides extra protection, which is an important accessory for watchmakers. 4Easy to Replace: Just hold your watch and place the ceramic bezel insert ring on top, apply adhesive on the ring makes it easy to attach. 5Excellent Ceramic: Watch bezel insert is made of high hardness ceramic material, firm and sturdy, which is wear and scratch resistant.