1[High Strength] Made of steel, high strength and durability, to ensure your watch is safe and has a long service life. 2[Simple and Convenient] The shoulders at each end allow easy grasping of insertion and removal using spring bar tool, easy to install and use. 3[Diversified Sizes] Diversified sizes to meet your needs for different sizes and meet your daily needs. 4[Numerous Quantity] The large number makes the tolerant error rate higher, so there is no need to worry about one or two loss. 5[Applicable] Professional tools for watchmakers and watch repairers, saving you expensive repair costs.
