Product description: Quantity: one set (2 pieces) Color: yellow + red Multi-function - Watch Opener Knife is ideal for opening watch backs, adding/removing links from watch straps, replacing watch batteries, changing watch gaskets, etc. The Watch Opener Knife is an ideal product for professional or general use.C 'is an ideal tool for repairing quartz watch, mechanical watch. Self-Reliance - The adjustable case opener for opening waterproof casesThe spring bar separator for replacing/adjusting the strap Screwdrivers for removing battery covers Stainless steel pliers for removing and inserting batteries, etc. It helps you solve your watch problem done at home instead of going for watch repair shops. Sturdy and durable - High quality, reusable, sturdy, portable, practical and very easy to use.It can be used to adjust watch straps and change watch batteries many times.You can repair your family members' or friends' watches to promote family unity and friendship with a knife watch openerAt the same time, you will save money and time to do what you love. Portable and clean - convenient to store and use all essential watch repair tools in a black case made of canvas to carry a zipper.You can get the job done anywhere.Plus, the carrying case contains a cloth to keep your watch clean. Unique Desgin - The mouthpiece in aluminum will not scratch or damage the crystal or cases. With handle design, easy and convenient to use, as well as labor saving. An ideal way to safely remove the watch back. Ideal to easily lift the back of the bottom cover of the watch.