1. The package comes with a complete set of 185 , including spring bar , strap connecting pin , strap deduction, box opener kit, watch holder and .2. is suitable for opening watch back, strap adjustment, replacement of watch battery, gasket, adjustment strap, etc.3. This watch case opener helps you complete watch problems at home instead of going to a signage repair shop.4. The watch set is packaged in a black zippered box, making your accessories easy to use, organized and safe.5. Easy to store and carry: All basic are placed in a black nylon box with a zipper, which is convenient for storage, easy to care, and complete work anytime, anywhere.Descriptions:Colour:Black + BlueMaterial:metalPackage Contents:185* Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.