Features: 1. Made of high quality stainless steel material, durable and robust, with long service life. 2. Portable and compact in size makes it easy take anywhere. 3. Convenient to use, beautiful replacement for the old or broken watch crown and spring bar. 4. Specially designed for watchmaker and watches repair worker. 5. There are different sizes of watch crown and spring bar to meet your different needs. Specification: Condition: 100% Brand New Material: stainless steel Watch crown size: 3.5/3.5/4.0/4.04.5/4.5/5.0/5.0/4.5+3/4.5+3mm Spring Bar Size: 2035/2836/PC21/8200/AL35/7009/09*09/46943MM package List: 1 * Box Repair Tool