Sumnacon Large Watch Case Opener Tool - JAXA Type XL Battery Replacement Wrench Watch Back Remover With 4 Sets Of Interchangeable Chucks for Most Screw Large Waterproof Watch Case Backup (Extra Large);

Description:

- The threading on the adjusting rods is well-made and the tips are high quality.
- This is the size needed for the larger watches popular.
- Tool did the job-easily removed tight watch caseback for battery change.
- Exactly what you needed-multiple types of tips to engage slots in casebacks.

Package included:

- 1 x Watch case opener tool
- 4 x sets of interchangeable chucks: 3 x Square & 3 x Round & 3 x Flat & 3 x Knurled