Hottptyer watch Crown O Ring 10 Sizes seals plastic Box Keeps watches using rubber head in repair work and organized grids

[ SEAL] Rubber O ring watch gaskets help keep the watch by forming a snug seal around the crown or watch head. They are useful when replacing worn seals during routine watch repair and maintenance. [FLEXIBLE RUBBER] Made of rubber with good flexibility and wear resistance, these watch gaskets can fit securely during assembly. The material supports repair work while helping the replacement ring remain in position around the watch head. [10 SIZE OPTIONS] The set includes 10 sizes to suit different watch repair needs. Each ring can be selected by size before installation, making it easier to handle varied watch models and keep suitable replacement parts ready. [ORGANIZED STORAGE] The plastic box has 10 separate grids to keep each size organized and easy to find. Its compact format helps watchmakers and repair workers carry the assortment between a workbench, service area, or repair task. [WATCH REPAIR USE] Designed for watchmakers and watch repairing workers, the assortment suits various watches and routine servicing tasks. Its workmanship provides neatly made replacement seals for crown and watch head repair needs.