About the product 1. To install bezel rings, friction inserting mineral crystal or battery changes. 2. Spring hinge tilts to the needed contact and apply even pressure on the watch back. 3. All metal dies are polished to avoid any scratch. 4. High quality metal and durable. 5. Must have for watchmakers. 6. Perfect for changing batteries, bands and minor repairs on watches. 7. Great for closing your snap back watch case after resizing or repair job. 8. Face down configuration means the repair person sees the case back being closed. 9. Comes with a set of 11 case dies. - Size:15, 18, 19, 21, 23, 25, 27, 29, 31, 33, 35mm (diameter).
