Case Opener 13Pcs Chain Unfinished Jaws adjust to a 7/16"

Jaws adjust to a 7/16" (11 mm) maximum opening

Twelve 3/4" - 13/16" (19 - 21 mm) telescopic spring bars

These are great for jewelry

The handle measures approximately 3/8" in diameter

Case Opener 13Pcs Chain Unfinished Jaws adjust to a 7/16"New Screw Back Watch Case Opener This is a new screw back opener It opens and closes screw back water resistant watches It includes 12 patterned pins and grips, 4 sets in all, for a variety of case backs This is a replacement for the Jaxa wrench It comes with a hinged wooden storage case that measures approximately 7 1 8" x 3 1 4" x 1 1 4" (178 x 83 x 32 mm) It measures approximately 5 1 2" (140 mm)