This is a professional and practical watch repair tool with reasonable design and practical functions. It can be used to close the box and bring you more convenience. It is made with exquisite craftsmanship, has excellent texture, will not be easily damaged, can be durable for a long time, and can provide you with a simpler and easier way to repair the watch. Features -Color:Random Color. -Material:Plastic.-Size: About2.50X2.50X1.90cm/ 0.98X0.98X0.75inch.-Made of high-quality plastic materials, environmentally friendly, durable, and long-term use.-Small size, easy to carry and store, light weight, will not increase your workload, easy to use, good performance, can bring you a lot of convenience.-The perfect pressure gauge that closes the box is a good helper for the watchmaker and can meet your needs well.-Ergonomic design, convenient operation, time-saving and labor-saving, it is an excellent maintenance tool.-This tool is durable and not easily deformed. Even if you use it multiple times, it will not affect your work. You can rest assured to buy and use. Packing list: 1 x Mainspring Barrel