Maintenance Tool: perfect press for closing boxes. The Closing Mainspring Barrel Tool is a professional repair tool commonly used when repairing or replacing the mainspring. The closing barrel tool is a good helper for the watchmaker. EASY TO OPERATE: The bellows closing tool is made of durable high-quality materials, -, ergonomically designed for a long service life. When you need to service your watch, the bellows closure tool can help you a lot. Versatile: The tool to the mainspring case is approximately 2.6cm/1inch in diameter and approximately 2.6cm/1inch in height. The closing mainspring barrel tool is versatile and professional. Closing barrel are mainly used for watch repairs, clockwork , clockwork repair and watch repairs. Easy to carry: the main box tool can be divided into two parts, small size, easy to carry, easy to operate and store, light weight, save time and effort, will not increase your workload, good performance, can bring you a lot of convenience . Safe to : The tool is durable and not easily deformed. You can the tool safely. Strict quality control and quality assurance, high safety factor, even if you the tool many , closing the mainspring barrel tool will not affect your work. You can buy and safely. Colour:black Material:plastic Package Contents: 1 x watch repair barrel Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.