Specifications: Material:Plastic Color: Blue,Gray Size: 7 x 2 x 1 cm/ 2 x 1 x zero inch (Length x Width x Thickness) Quantity: 1 Pcs Has adjustable tempered pins for easy use on water-resistant situations Compact size makes it very handy An adjustable case opening software Simple design with thumb screw to adjust diameter Very handy and easy to take in all places and straightforward to apply Package Content: 1 x Watch Screw-on Back Case Adjustable Opener