Versatile Watch Press Tool: This tool is designed for closing watch back cases with ease. It includes a comprehensive set of dies to accommodate various watch sizes and shapes, making it an essential tool for any watch repair enthusiastAdjustable Die Heights: The adjustable dies heights allow you to work with different thicknesses of watch cases, ensuring a secure fit every time. The base is fixed with screws (four included) to prevent slipping during useComprehensive Die Set: Comes with 12 round dies (18 or 20 21 or 23 24 or 26 or 28 or 30 31 or 32 33 or 34 36 or 38 40 or 42 44 or 46 48 or 52mm), 6 square dies (20 25 30 35 40 45mm), and butterfly dies in two sizes, totaling 20 pieces. This variety ensures compatibility with a wide range of watchesMetal Construction: Made from metal, this Watch Back Case Closer offers durability and longevity. Its high elasticity spring provides quick action while the curved anti slip handle enhances comfort during operationCompact Design: With dimensions of 16 cmx11.5 cmx7.8 cm or 6.30 inchx4.53 inchx3.07 inch, this watch press tool is compact yet powerful enough for professional use or personal projects at home, making it easy to store or transport as needed Specification: Material:Metal Size Chart: 16cmx11.5cmx7.8cm or 6.30inchx4.53inchx3.07inch Package Includes: 1 Watch Back Case Closer20 Dies Note: Please allow slightly errors due to manual measurement and different monitors.