ITEM NAME:Adjustable Rectangle Watch Back Case Cover Opener Remover Wrench Repair Tool Kw.1 x Watches Screw-on Back Case Opener. Suitable for Screw on Backs on Most Watches. Type of Tool: Case Openers Jaw distance adjustable from 8mm to 57mm. Simple to Use and Fully Adjustable. Size : The maximum opening is 5cm.
