4 Watch Case Snap Back Openers Tweezers Battery Tools 2 Prong Waterproof Watch Case Wrench. This is a new waterproof watch case wrench. It has adjustable tempered pins for easy use on water resistant cases. Its compact size makes it very convenient. This is a replacement for the Jaxa wrench. Tips adjust from 7/16" to 2 1/8" (11 mm to 54 mm). Case Knife. This is a new case knife. It is configured to make opening certain cases easier. This opener is popular among many watchmakers. Simply place the blade under the case back and twist. It measures approximately 3" (76 mm). Plastic Tweezers. This is a new set of 3 plastic tweezers. Great for beading and stringing. These are also perfect for changing watch batteries. These tweezers are as essential as the fingers on your hand. It measures approximately 5" (127 mm) long. Colors received may vary from photo. Tweezers. This is a new pair of tweezers with a fine tip. Great for jewelers, beading, watch and clock repair and picking up small parts. These have a PVC grip for comfort. They measure approximately 5 1/2" (139.7 mm) long. We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.