Large Upto 50mm Adjustable Watch Screw Back Case Wrench Opener Remover Repair Tool. 

Simple to use, just turn knurled ring to open and close jaws. 

We sell a range of great value tools and parts for watch, clock and Jewellery craft. Please see in shop.

Please buy with confidence if you are not happy we offer a full 60 day refund for any reason, just return the item.