Horotec suction dies are designed to help you open and close screw back watch cases and screw bezels. The watch case opening dies have special rubber like material on the edges that create a suction grip on the case back or bezel. The suction seal will not mar or cause any other damage the watch case back.
The dies come in 16mm, 20mm, 23mm, 26mm, 30mm, 34mm, and 40mm.
Horotec watchmakers dies are easily interchangeable.
This set will work with all Horotec screw back openers including:
#59.7360 Deluxe Screwback Case Opener
#59.7021 2 Sided Handle for Case Opening Dies
#59.7305 Palm Handle for Case Opening Dies)