Item Type: Watch Parts Storage Box Material: Acrylic Single Box Diameter: Approx. 38mm / 1.5in Combination Height: Approx. 97mm / 3.8in Package List 5 x Storage Box Please allow slight error due to manual measurement. Thanks for your understanding. 1STACKABLE DESIGN: Watch component storage boxes can be stacked vertically, saving desktop space and reserving more operating space, essential for improving work efficiency. 25 LAYER DESIGN: Watch parts storage box has 5 layers, can better distinguish different types of watch parts, and meet your basic needs for storing small parts. 3WATCH PARTS STORAGE: Watch component container is perfect for holding screw, watch movement, watch crown, etc., important tool for watchmaker and repairer. 4WIDE RANGE OF APPLICATIONS: Parts storage box can also be used to store small accessories, handicrafts, beads, earrings, rings and other jewelry, simple and practical. 5ACRYLIC MATERIAL: Watch repair parts box is made of acrylic material, which is impact resistant, has great sealing performance, dustproof, easy to clean and reusable.