Feature:1. [Multiple Grids Storage] This set includes 2 pcs 18 grid, 2 pcs 12 grid and 2 pcs 10 grid storage boxes, perfect for sorting and organizing screws and other small parts efficiently.2. [Ideal for Watch Parts] Suitable for storing tiny watch parts, screws, gears, and more, making it a convenient choice for watch repair work or other precise tasks.3. [Precise Part Keeping] Keep parts precise and protected from foreign objects and debris to minimize damage and maintain accuracy, ensuring the longevity of delicate components.4. [Sturdy and Secure] These storage boxes are sturdy, dustproof, and waterproof, providing a secure and tight storage solution for your parts, protecting them from external elements.5. [Easy Organization] Effortlessly keep your parts organized with these storage boxes, ensuring quick access to the items you need whenever you need them.Specification:Item Type: Watch Parts Storage BoxMaterial: PlasticSpecification: 18 Grid x 2, 12 Grid x 2, 10 Grid x 218 Grid Box Size: Approx. 10.6x6.8x1.3cm / 4.17x2.68x0.51in12 Grid Box Size: Approx. 8.2x5.4x1.6cm / 3.23x2.13x0.63in10 Grid Box Size: Approx. 8.6x6.4x1.6cm / 3.39x2.52x0.63in.Package List:2 x 18 Grid Storage Box2 x 12 Grid Storage Box2 x 10 Grid Storage BoxNote:Manual measurement, may have an error of 01cm.