The item for sale is 10 Adhesive 3M pre cut rings for Bezel Insert Ceramic, Plastic or Aluminum bezel watch which make it easier for neat and clean job. They are sticky and you can easily installed it on back of the Ceramic or Aluminum or Plastic insert of Seiko watch which are loose and falls off from your bezel ring. ONLY FIT FOR 38MM BEZEL INSERT!!! Fits Seiko Model: SKX 007, 009, 011, 171, 173, 175,6105-8110, 6306-7000, 6309-7040, 6309-7290, 7002, 7549 5 Sport Automatic SNZ5K1, SKA371, SNZF17 and others No more cutting pieces or messing with the glue on the insert. Adhesive is equivalent to what is used for high sensitivity electronic and military-grade applications. This item will fit most of the bezel insert and are heat resistant up to 400 F ( 204 C ) with excellent resistance to water , solvents and humidity. Once installed you can wear your watch immediately. Comments from watch repairer who have used our sticker that the sticking on insert is the best sticker available. You will receive 10 Adhesive pre-cut ring. This item will fit most of the others Seiko bezel insert.