These Horotec Breitling dies are great for opening screw back watch case backs and work well with the Watch Case Key Horotec Watch Tool (64.0748). This single die make opening screw type watch backs unbelievably easy. Made of superb quality steel and each die is a slightly different size making them a very versatile investment for you. Available in three sizes: 36, 37 and 38mm.
- Precision machined steel
- Fits Horotec case key #64.0748
- 36-38mm sizes (inside diameter) with 15 flat facets or sides