US Patent 9555539 Tool box with rubber peripheral fences

A tool box contains: a holder, a cover, a first peripheral fence, and a second peripheral fence. The holder includes a first abutting rib extending upwardly from a top end of a peripheral wall thereof. The cover is used for covering the holder, and between the holder and the cover is defined an accommodating space to accommodate tools. The first peripheral fence is arranged around the peripheral wall of the holder. The second peripheral fence is arranged around an outer wall of the cover and includes a contacting face extending inwardly from a bottom end of the second peripheral fence to contact with the first abutting rib of the holder.