DescriptionWith this watch battery replacement tool, you can easily complete the battery replacement by yourself, which not only saves your time and money, but more importantly, you get the pleasure and sense of accomplishment of your own maintenance.Features-Color: Blue. -Material: Chrome-vanadium steel. -Size: About 7.50X4.00X2.00cm/2.95X1.57X0.79in. - It helps you open the watch cover to replace the watch battery. - The watch back case opener is only suitable for the watch cover that is opened by rotating. - Professional watch repair tools, great for watch case opening, batteries replacing and watch repairing. - Made of chrome-vanadium steel, our watch case opener is well-structured, long serving life. - Durable for long-last use. It is the most effective solution for watch case opening.