Hottptyer watch Crown O Ring Seals About 800pcs box Keeps watches sorted in a plastic of 10 grids with flexible head rings for repair work

[ SEALING] Rubber O ring gaskets help maintain a watch during repair work by forming a flexible seal around the crown or watch head. This accessory supports careful servicing when an existing seal needs replacement. [ASSORTED SIZES] About 800 pieces are included in one box with different sizes of seals. The assortment supports work on different watches and helps keep a suitable replacement available during routine repair and maintenance. [ORGANIZED STORAGE] The plastic box includes 10 separate grids that keep seal sizes sorted and easy to identify. Its compact design helps prevent loose parts from mixing and makes the assortment convenient to carry between a workbench and service location. [REPAIR WORK USE] Designed for watchmakers and watch repairing workers, these lightweight seals are practical to handle during crown and watch head servicing. The organized assortment supports repair tasks in a watch repair setting. [FLEXIBLE RUBBER] Made of rubber, each O ring offers good flexibility and wear resistance for dependable use during watch repair. The material is lightweight and suitable for repeated handling when fitting seals to compatible watch parts.