The Adjustable Watch Case Back Opener Repair Remover Holder Tool will hold any watch case with outer diameter from 15mm to 50mm. It allows you to quickly open watch backs within minutes. With four adjustable pins and an easy-to-use turning knob， it will securely grip notched back case so you can easily twist the it off and remove it with ease. Crafted with a sturdy plastic base and steel frame， this quality watch case holder is made to last. Plus， it can be set in different positions for different sized cases. Click and order now!                                    Features             Hold any watch case with outer diameter from 15mm to 50mm<br> Allow you to quickly open watch backs within minutes<br> Four adjustable pins， easy-to-use turning knob<br> Crafted with a sturdy plastic base and steel frame， durable for long-lasting use<br> Can be set in different positions for different sized cases <br>                                                            Specifications             Material     Metal & Plastic    <br> Dimensions     (2.56 x 1.77 x 1.38)" / (6.5 x 4.5 x 3.5)cm (L x W x H)    <br> Weight     1.76oz / 50g    <br> Color     Yellow & White    <br> Suitable for(Watch Case Dia.)     (0.59-1.97)" / (1.5-5)cm       <br>                                                             Package Includes            1 x Watch Case Holder <br>                                                            Extra Info            Note: Due to the light and screen difference， the item&acute;s color may be slightly different from the pictures.