Watchmakers Case Opener Holder Loupe Energizer Guides. Rolex Watch Back Remover. This waterproof watch case closer and opener is especially designed for waterproof Rolex oyster cases. Accurately interlocks with the knurled edges of genuine Rolex case backs. It will not slip or damage case backs. There are a variety of dies and 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. Multi Purpose Oil Tip. This is a new multi purpose oil tip. This can be used for applying lubricants, adhesives, and other lubricants. Great for use with watches, clocks, and toys. It has a fine tip which allows better application of the lubricants. The tip measures approximately 0.75 mm thick. It measures approximately 3 7/8" (98 mm) long. Single Hole Plastic Oil Cup. This is a new single hole plastic oil cup. The hole measures approximately 3/8" (10.67 mm). Silicon Waterproof Case Sealer. This is a new bottle of silicon waterproof case sealer. Prevents leakage of moisture into the case. Will not evaporate, vaporize, harden, break down and will not affect watch oils. Unaffected by temperatures from minus 280 F to 435 F (minus 173 C to 223 C). Also resistant to salts, acids, fungi, alkali or sweat. Contains 8 grams. Watch Crystal Remover. This is a new rubber watch crystal remover. Great for removing crystals from watches. Can also be used as a dust blower. Insert nozzle inside any watch stem hole and squeeze the bulb and it will blow out the crystal without damaging it. Just squeeze for a blast of air. It measures approximately 4 1/2" (114 mm) long. Double Lens Eye Loupe 10X. This is a new 10X double lens plastic eye loupe. This pocket size loupe has distortion free lenses. The shape of this eye loupe allows it to rest comfortably in the eye socket. It has a focal distance of 1" (25 mm).