2 New Watch Case Back Openers Rolex Case Opener fits Rolex This new opener & closer is designed especially for all Rolex water resistant screwback oyster cases. It accurately interlocks with the knurled edges of genuine Rolex case backs. It will not slip or damage case backs. This sturdy frame fits any bench vise. It includes a centering pin which allows use in conjunction with the L-g "Master Case Opener" to open screw-on backs. This adjustable case holder accommodates all case sizes. You receive: One die measuring 18.5 mm in diameter One die measuring 20.5 mm in diameter One die measuring 22.5 mm in diameter One die measuring 26.5 mm in diameter One die measuring 28.5 mm in diameter One die measuring 29.5 mm in diameter Screw Back Watch Case Opener This is a new screw back watch case opener It opens and closes screw back water resistant watches without scratching 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 This adjustable case opener can open Bulova, Movado, Gruen, Longines and Accutron screw type back waterproof watches It measures approximately 5 1/2" (140 mm)