Description:Adjustable opener, suitable for opening waterproof box up to 34mm.Tools used to adjust and replace belt.Screwdriver can remove battery cover.Stainless steel tweezers used to take out or put batteries in.Portable storage case design for easy carrying.Small and lightweight, durable and reliable.Complete watch repairing tools set.Specification:Color: ColorfulMaterial: CR-V SteelCase Size: 20.5x10x4.5cm/8x3.9x1.8inPackage Includes: 1 x 147pcs tools setNote:Please allow 1-3cm difference due to manual measurement.Due to light and screen difference, the item's color may be slightly different from the pictures.Difficult to machine the workpiece can be processed stainless steel, tool steel, through heat treatment.