High Quality Steel Material Universal wrench tool for watch back opening and closing. Small Size Easy to use and Easy to carry. Adjustable with thumb wheel can open watch back case from 17 mm to 37 mm.
Specifications
Main material: Steel 4 sets of clamps: Round, Flat, Square and Toothed Opens watch backs from 17 mm -37 mm 17mm-55mm
Largest open diameter: 3.70 cm
What's in the Box
1 x Watch Back Case Opener 18 x Clamps kits 1 x Storage Case
