Watch OPENER & 1 LR44 BUTTON BATTERY Alkaline Band Back Case OPENER Repair Tool Kit Battery Screw Cover Remover Huge Promo Sale on First 20… Get them before price goes up… Watch Back Case Opener & 1 LR44 BUTTON BATTERY ALKALINE Main material: SteelKit Qty: 18 pcs4 sets of clamps: Round, Flat, Square and ToothedOpens watch backs from 17 mm -37 mmLargest open diameter: 3.70 cmSuit for: watches with movable screw-plug back covers Features：1. High Quality Steel Material, Universal wrench tool for watch back opening and closing.2. Small Size, Easy to use and Easy to carry.3. Adjustable with thumb wheel, can open watch back case from 17 mm to 37 mm. How to use: 1. Choose suitable bits to install them into opener. 2. Adjust the distance by revolving the middle wheel and handle to fit in your watch back cover. 3. Fix opener by hand and rotate opener, the cover will be opened easily. Package includes: Watch Back Case Opener & 1 LR44 Button Battery Alkaline Main material: SteelKit Qty: 18 pcs4 sets of clamps: Round, Flat, Square and ToothedOpens watch backs from 17 mm -37 mmLargest open diameter: 3.70 cmSuit for: watches with movable screw-plug back covers Features：1. High Quality Steel Material, Universal wrench tool for watch back opening and closing.2. Small Size, Easy to use and Easy to carry.3. Adjustable with thumb wheel, can open watch back case from 17 mm to 37 mm. How to use: 1. Choose suitable bits to install them into opener. 2. Adjust the distance by revolving the middle wheel and handle to fit in your watch back cover. 3. Fix opener by hand and rotate opener, the cover will be opened easily. Package includes: Watch Back Case Opener x 1 PCClamps kits x 18 PCSPackage with Plastic Storage Case x 1 PCClamps kits x 18 PCSPackage with Plastic Storage Case1 LR44 Button Battery Alkaline