Featuring the characters of small size and simple method, the kit will be portable to carry and has the strong solid percompatiblemance compatible using. With the design of two claw wrench, which make it adjustable compatible every kinds of watches without any damage. It is made of ABS plastic and metal materials. The length of the ABS plastic opener is 6.9cm, the width is 2.8cm.The length of the metal opener is 7.1cm, the width is 2.8cm. It is suitable compatible watch maintenance and repair. Item Name: Case Opener Material:ABS,Metal Size: 1: 6.9cmx2.8cmx1.1cm/2.72inx1.1inx0.43in 2: 6.9cmx2.8cmx1.1cm/2.72inx1.1inx0.43in 3: 7.1cmx2.8cmx1cm/2.8inx1.1inx0.39in 4: 7.1cmx2.8cmx1cm/2.8inx1.1inx0.39in Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 X Case Opener