Horotec MSA07.004 Watch Case Opener Automatic Watchmaker Tool

Model: MSA07.004 Length: 122 mm Weight: 0.165 kg Horotec MSA07.004 automatic watch case opener for snap-on watch case backs. Supplied with three shaped tips: 5 mm, 4.5 mm, and 3.5 mm wide. The handle is equipped with a spring and firing pin; when turned, it opens watch case backs with a single micro shock. The strength of the shock is fully adjustable by screwing in (+ power) or unscrewing (- power) the handle.