Adjuster mechanism allows you to adjust the length of the stored items; Transparent so you can see the contents well. Durable case protects the stored items; Can be used as a tool case for drilling and other small items; Depth: 0.7 inches (18 mm); Number of storage (pieces): 1; Length: 3.4 inches (86.7 mm); Width: 0.7 inches (14 mm); Effective length: 0.3 inches (8 mm) 8.0 x 8 6.7 Main unit, lid set; Large box quantity: 300 pieces (please indicate "no JAN in the box) when ordering a large box); Body: Polypropylene (PP). Lid: Polypropylene (PP).