Specifications: An adjustable watch case opening tool. Compact size makes it very convenient to carry around. Simple design with thumb screw to adjust diameter. Item Name: Watch Case Opener Features: Easy to Use, Durable, Watch Repair Tool 1 Size: 14cm x 1.5cm/5.51" x 0.59" (Approx.) 2 Size: 12.5cm x 2.8cm/4.92" x 1.10" (Approx.) 3 Size: 7cm x 4cmx 1.6cm/2.76" x 1.7" x 0.63" (Approx.) 4 Size: 7cm x 4cmx 1.6cm/2.76" x 1.7" x 0.63" (Approx.) 5 Size: 19.5cm x 7cmx 2.5cm/7.67" x 2.76" x 0.98" (Approx.) 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 Watch Case Opener