| 摘要 |
A tool box has a lower casing and an upper casing engaging with the lower casing. The lower casing has a plurality of separation plates, and at least a series of spaced grooves defined between two of the separation plates. Each of the separation plates has a plurality of click blocks and a plurality of click protrusions. A plurality of sleeves are inserted in the spaced grooves. Each of the sleeves has a center hole engaging with the respective click block and the respective click protrusion.
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