Specification:Item Type: Movement HolderMaterial: AluminumColor: GoldenLarge Movement Base Size: Approx. 52 x 39 x 24mm/2.05 x 1.54 x 0.94inSmall Movement Seat Size: Approx. 42 x 28 x 20mm/1.65 x 1.1 x 0.79inApplicable People: Watch Repair ProfessionalsApplicable Scenarios: It can be used for watch hands; it can also be used to remove the watch cover and remove the strap, etc. You can use it if you need to fix the movement when it is involved.Package List:1 x Small Watch Movement Holder1 x Large Watch Movement Holder