Adjustable Rectangle Watch Back Case Cover Opener Watch Battery Replacement Tool 40JEOOTDTYProaches: 100% Brand New and High Quality Made of high quality stainless steel, practical and durable. Professional watch repair tools waterproof watch opening case, battery replacement and watch repair. Simply roll up the wheel adjustment to set the bit spacing to fit your watch's rear groove housing. It may be too expensive to pay a jeweler to replace the battery. Now with this easy-to-use tool, you can do it yourself. Adjustable jaw distance from 14mm to 55mm, which can fit watches of different sizes. (Please note: this watch watch case opener is suitable for screwing down watch back case, it can not be used in pressurized watch case. Please confirm the watch back cover type before you buy)Specification: Material: Stainless SteelSize: As the picture Type: Round Head/Square HeadPackage Included: 1x Watch & Case OpenerNote: 1. Please allow 1-3cm errors due to manual measurement, please make sure you do not mind before ordering. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.